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          "description": "MEZCLA DE GAS NATURAL  MULTICOMPONENTE GRADO ESTÁNDAR CERTIFICADO, CON LAS SIGUIENTES\nCONCENTRACIONES EN % MOL, NITRÓGENO 0.5% MOL\nBIÓXIDO DE CARBONO 0.5% MOL SULFURO DE HIDRÓGENO\n0.5% MOL, ETANO 3% MOL PROPANO 1% MOL ISOBUTANO\n0.5% MOL N-BUTANO 0.2% MOL ISOPENTANO 0.2% MOL\nN-PENTANO 0.2% MOL N-HEXANO 0.2% MOL BALANCE:\nMETANO . CILINDRO ALS (ALUMINIO)CON UN VOLUMEN\n0.5 A 0.8 POR CILINDRO,330 PSIG TIPO DE CONEXIÓN\nCGA-330, INFORME DE ENSAYO CON INCERTIDUMBRES DE CADA COMPONENTE INCLUYENDO EL BALANCE.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "35724.59",
          "maximum_amount": "89311.48"
        },
        {
          "number": "36",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GAS NATURAL MULTICOMPONENTE GRADO ESTÁNDAR CERTIFICADO, CON LAS SIGUIENTES\nCONCENTRACIONES EN % MOL, NITRÓGENO 10.3 % MOL\nBIÓXIDO DE CARBONO 1.7% MOL ,SULFURO DE HIDROGENO 2.1%MOL, ETANO 7.6% MOL\nPROPANO 4.6% MOL, ISOBUTANO 1.5% MOL, N-BUTANO\n2.8% MOL, ISOPENTANO 0.780 % MOL N-PENTANO\n0.780 % MOL, N-HEXANO 0.780 % MOL: METANO 66.818%MOL BALANCE,\nBENCENO 0.020%MOL, CICLOHEXANO 0.032%MOL, TOLUENO\n0.020%MOL, N-HEPTANO 0.020%MOL, N-OCTANO 0.150%MOL,\nCILINDRO ALS (ALUMINIO)CON UN VOLUMEN 0.5 A 0.8\nPOR CILINDRO, 330 PSIG TIPO DE CONEXIÓN CGA-330.INFORME DE ENSAYO CON INCERTIDUMBRES DE CADA COMPONENTE INCLUYENDO EL BALANCE.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "18124.59",
          "maximum_amount": "45311.48"
        },
        {
          "number": "37",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GAS PROPANO 200 PPM BALANCE NITRÒGENO, INFORME DE ENSAYO, GRADO PROTOCOLO EPA CERTIFICADO, PRESIÓN 2500 PSIG,CONEXÓN CGA -350,PROTOCOLO EPA. CILINDRO DE 4.3 M3.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "12136.01",
          "maximum_amount": "30342.42"
        },
        {
          "number": "38",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GAS PROPANO 40% CMOL/MOL BALANCE NITRÒGENO, INFORME DE ENSAYO, GRADO CERIFICADO, PRESIÓN DE ACUERDO A LA CONCENTRACIÓN, PSIG,CONEXIÓN CGA -350. CILINDRO DE 0.8 A 4.3 M3.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "KILOGRAMO KELVIN",
          "minimum_amount": "37192",
          "maximum_amount": "92980"
        },
        {
          "number": "39",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GAS PROPANO 400 PPM BALANCE BALANCE NITRÒGENO, INFORME DE ENSAYO, GRADO CERIFICADO, PRESIÓN Y DE VOLUMEN APROXIMADO A 4 M3. DE ACUERDO A CONCENTRACION CONEXION CGA-350.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "8792",
          "maximum_amount": "21980"
        },
        {
          "number": "40",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GAS PROPANO 80% CMOL/MOL BALANCE NITRÒGENO, INFORME DE ENSAYO, GRADO CERIFICADO, PRESIÓN DE ACUERDO A LA CONCENTRACIÓN, PSIG,CONEXIÓN CGA -350. CILINDRO DE 0.8 A 4.3 M3.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "KILOGRAMO KELVIN",
          "minimum_amount": "37192",
          "maximum_amount": "92980"
        },
        {
          "number": "41",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASEOSA ESTÁNDAR CON CERTIFICADO, EN CILINDRO AS, ENTREGA DE HOJAS DE SEGURIDAD, CON LAS SIGUIENTES CONCENTRACIONES:    \n                                                                          \nNITROGEN   3CMOL/MOL\nCARBON DIOXIDE  1CMOL/MOL\nETHANE\t  5CMOL/MOL\nPROPANE   3CMOL/MOL\nISO-BUTANE   1.5CMOL/MOL\nN-BUTANE   1.5CMOL/MOL\nISO-PENTANE   0.7CMOL/MOL\nN-PENTANE   0.7CMOL/MOL\n2.2-DIMETHYLBUTANE   0.5CMOL/MOL\n2,3-DIMETHYLBUTANE   0.5CMOL/MOL\nCYCLOPENTANE\t0.3CMOL/MOL\n2 METHYLPENTANE   0.3CMOL/MOL\n3 METHYLPENTANE   0.3CMOL/MOL\nN-HEXANE   0.4CMOL/MOL\nMETHYLCYCLOPENTANE\t0.2CMOL/MOL\nCYCLOPENTANE\t0.15CMOL/MOL\nCYCLOHEXANE\t0.15CMOL/MOL\n2-METHYLHEXANE   0.13CMOL/MOL\n3-METHYLHEXANE   0.12CMOL/MOL\nN-HEPTANE   0.1CMOL/MOL\nMETHYLCYCLOHEXANE   0.01CMOL/MOL\n2,2,4-TIMETHYLPENTANE    0.01CMOL/MOL\nTOLUENE   0.13CMOL/MOL\n2-METHYLHEPTANE   0.03CMOL/MOL\n4-METHYLHEPTANE   0.03CMOL/MOL\nN-OCTANE   0.15CMOL/MOL\nETHYLBENZENE   0.015CMOL/MOL\nMETA XYLENE   0.015CMOL/MOL\nPARA XYLENE   0.015CMOL/MOL\nORTO XYLENE (2,2,4-TRIMETHYLHEPTANE)  0.01CMOL/MOL\nN-NONANE   0.01CMOL/MOL\nN-DECANE   0.01CMOL/MOL\nN-UNDECANE   0.01CMOL/MOL\nN-DODECANE   0.005CMOL/MOL\nMETANO BALANCE\nLA MEZCLA DEBE ESTAR EN ESTADO GASEOSO              EL TIPO, VOLUMEN Y PRESIÓN DEL CILINDRO DE ENVASADO DETERMINADO POR EL PROVEEDOR CON VÁLVULA CGA 330. \nVIGENCIA MÍNIMA DE DOS AÑOS A PARTIR DE LA FECHA DE FABRICACIÓN. INCLUYE INFORME DE ENSAYO CON TRAZABILIDAD A NIST O CENAM CON REPORTE DE INCERTIDUMBRE.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "25582.98",
          "maximum_amount": "63957.46"
        },
        {
          "number": "42",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASEOSA ESTÁNDAR CON CERTIFICADO, EN CILINDRO AS, ENTREGA DE HOJAS DE SEGURIDAD, CON LAS SIGUIENTES CONCENTRACIONES:\nETANO 6,00 CMOL/MOL\nOXIGENO 1,00 CMOL/MOL\nPROPANO 1,5 CMOL/MOL\nISOBUTANO 0,5 CMOL/MOL\nN-BUTANO 0,5 CMOL/MOL\nISOPENTANO 0,15 CMOL/MOL\nN-PENTANO 0,15 CMOL/MOL\nN-HEXANO 0,05 CMOL/MOL\nN-HEPTANO 0,03 CMOL/MOL\nNITRÓGENO 2,0 CMOL/MOL\nBIÓXIDO DE CARBONO 1,5\nMETANO BALANCE EL TIPO, VOLUMEN Y PRESIÓN DEL CILINDRO DE ENVASADO DETERMINADO POR EL PROVEEDOR CON VÁLVULA CGA 330.\nVIGENCIA MÍNIMA DE DOS AÑOS A PARTIR DE LA FECHA DE FABRICACIÓN. INCLUYE INFORME DE ENSAYO CON TRAZABILIDAD A NIST O CENAM CON REPORTE DE INCERTIDUMBRE.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "112102.58",
          "maximum_amount": "280256.46"
        },
        {
          "number": "43",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASEOSA ESTÁNDAR CON CERTIFICADO, EN CILINDRO AS, VALVÚLA CGA-330, CON LAS SIGUIENTES CONCENTRACIONES DE ANALÍTOS: NITRÓGENO 4:00 CMOL/MOL, BIÓXIDO DE CARBONO 1.00 CMOL/MOL, ETANO 11.00 CMOL/MOL , PROPANO 8.00 CMOL/MOL , SULFURO DE HIDRÓGENO 2.00 CMOL/MOL,  ISOBUTANO 3.00 CMOL/MOL, N-BUTANO 3.00 CMOL/MOL, ISOPENTANO 1.50 CMOL/MOL, N-PENTANO 1.50 CMOL/MOL, N-HEXANO 0.70 CMOL/MOL, N-HEPTANO 0.60 CMOL/MOL, BALANCE METANO, EL  VOLUMEN Y PRESIÓN DEL CILINDRO ENVASADO ES DETERMINADO POR EL PROVEEDOR VIGENCIA DE 2 AÑOS, CERTIFICADO, CON INCERTIDUMBRE Y TRAZABILIDAD A NIST O CENAM.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "112102.58",
          "maximum_amount": "280256.46"
        },
        {
          "number": "44",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASEOSA ESTÁNDAR CON CERTIFICADO, EN CILINDRO DE PISTON FLOTANTE, VOLUMEN APROXIMADO 800 CC, VALVÚLAS NPT 1/4, CON LAS SIGUIENTES CONCENTRACIONES DE ANALÍTOS EN % VOL: METANO 1.5% VOL, ETANO 1.0% VOL, PROPILENO 12.5% VOL, ISOBUTANO 1.0 % VOL, N-BUTANO 28 % VOL, TRANS-2-BUTENO 0.8 % VOL, 1-BUTENO 0.8 % VOL, ISOBUTILENO 0.8 % VOL, CIS-2 BUTENO 0.8 % VOL, CICLOPENTANO 0.8 % VOL, ISOPENTANO 0.8 % VOL, N-PENTANO 0.8 % VOL, 1,3-BUTADIENO 0.25 % VOL, 3-METIL-1-BUTENO 0.25 % VOL, TRANS-2-PENTENO 0.25 % VOL, 2-METIL-2-BUTENO 0.25 % VOL, 2-METIL-1-BUTENO 0.25 % VOL, CIS-2-PENTENO 0.25 % VOL, BALANCE PROPANO, EL VOLUMEN Y PRESIÓN DEL CILINDRO ENVASADO ES DETERMINADO POR EL PROVEEDOR VIGENCIA DE 2 AÑOS, CERTIFICADO CON INCERTIDUMBRE Y TRAZAVILIDAD A NIST O CENAM.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "KILOGRAMO KELVIN",
          "minimum_amount": "136000",
          "maximum_amount": "340000"
        },
        {
          "number": "45",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASES ESTÁNDAR CERTIFICADO CON LA SIGUIENTE COMPOSICIÓN: METANO 2 %, ETANO 10 %, ETILENO 7%, PROPANO 10 %, PROPILENO 7 %, CO2 3 %, HIDRÓGENO 1 %, OXÍGENO 3 %, NITRÓGENO 54 %, CO 3 %, LOS PORCENTAJES EN  % MOL  O  % VOL; CONEXIÓN CGA-350, CILINDRO TIPO \"AS\", PRESIÓN 6.978 MPA ( 1012 PSIG).",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "18960",
          "maximum_amount": "47400"
        },
        {
          "number": "46",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASES MULTICOMPONENTE  GRADO ESTÁNDAR CERTIFICADO, CON LAS SIGUIENTES\nCONCENTRACIONES EN% MOL, NITRÓGENO 30.1%\nMOL BIÓXIDO DE CARBONO 4.1 % MOL SULFURO\nDE HIDRÓGENO 5.3 % MOL, ETANO 17 % MOL\nPROPANO 12.0 % MOL ,ISOBUTANO 3.5 % MOL ,N-\nBUTANO 8.2% MOL, ISOPENTANO 2.0 % MOL N-\nPENTANO 2.0 % MOL N-HEXANO 2.0 % MOL,\nBALANCE: METANO. CILINDRO ALS  (ALUMINIO)\nCON VOLUMEN Y PRESION QUE SE LOGREN ALMACENAR EN EL CILINDRO A CONDICIONES DE PRODUCCION, CONEXIÓN CGA-330,\nCADUCIDAD 1 AÑO.INFORME DE ENSAYO CON INCERTIDUMBRES DE CADA COMPONENTE INCLUYENDO EL BALANCE.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "212800",
          "maximum_amount": "532000"
        },
        {
          "number": "47",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASES MULTICOMPONENTE  GRADO PATRÓN, CON LAS SIGUIENTES CONCENTRACIONES EN%\nMOL, NITRÓGENO 20.2%MOL,DIOXIDO DE CARBONO 2.90%MOL,\nAC SULFHÍDRICO 3.70%MOL, METANO: 40.430 %MOL BALANCE , ETANO:\n12.30%MOL,PROPANO:8.30 %MOL,ISO BUTANO 2.50%MOL, N BUTANO \n5.50%MOL, ISO PENTANO 1.39%MOL, N PENTANO 1.39%MOL,HEXANO\n+ PESADOS 1.39%MOL, TOTAL 100.00. CILINDRO ALS\n(ALUMINIO) Y CONEXIÓN CGA-330, CADUCIDAD DE\nMEZCLA DE 1 AÑO. CILINDRO A CAMBIO.\nEN CILINDROS DE VOLUMEN DE 0.7 A 0.8M3.INFORME DE ENSAYO CON INCERTIDUMBRES DE CADA COMPONENTE INCLUYENDO EL BALANCE.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "25000",
          "maximum_amount": "62500"
        },
        {
          "number": "48",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASES, ESTÁNDAR CERTIFICADO CILINDRO AS DE 1M3, PRESIÓN 2.992 MPA (434 PSIG), MÉTODO DE LLENADO ZZA-\n02-021-P0215 CON LOS SIGUIENTES COMPONENTES: ETANO 7.01 %VOL/VOL, +/-\n0.21 %VOL / VOL (+/- 3% REL.); PROPANO 2.32 %VOL/VOL, +/- 0.07 %VOL /\nVOL (+/- 3% REL.); BIÓXIDO DE CARBINO 2.001 %VOL/VOL +/- 0.060 %VOL /\nVOL (+/- 3% REL.); SULFURO DE HIDRÓGENO 0.800 %VOL/VOL +/- 0.024 %\nVOL / VOL (+/- 3% REL.); ISOPENTANO 0.299 5 %VOL/VOL +/- 0.009  0 %VOL /\nVOL (+/- 3% REL.); ISOBUTANO 0.303 9 %VOL/VOL +/- 0.009  1 %VOL / VOL\n(+/- 3% REL.); NITRÓGENO 1.006 %VOL/VOL +/- 0.030 %VOL / VOL (+/- 3%\nREL.); N-BUTANO 0.701 %VOL/VOL +/- 0.021 %VOL / VOL (+/- 3% REL.); N-\nPENTANO 0.249 2 %VOL/VOL +/- 0.007  5 %VOL / VOL (+/- 3% REL.); N-HEXANO\n0.039 80 %VOL/VOL +/- 0.001  20 %VOL / VOL (+/- 3% REL.); METANO 85.265\n6 %VOL/VOL +/- 2.558  0 %VOL / VOL (+/- 3% REL.)\"",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "80000",
          "maximum_amount": "200000"
        },
        {
          "number": "49",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASES, ESTÁNDAR CERTIFICADO CON LA SIGUIENTE COMPOSICIÓN: ETANO 6.97 CMOL/MOL, PROPANO 2.302 CMOL/MOL, BIÓXIDO DE CARBONO 2.007 CMOL/MOL, SULFURO DE HIDRÓGENO 0.807 CMOL/MOL, ISOPENTANO 0.301 7 CMOL/MOL, ISOBUTANO 0.306 1 CMOL/MOL, NITRÓGENO 1.037 CMOL/MOL, N-BUTANO 0.702 CMOL/MOL, N-PENTANO 0.250 0 CMOL/MOL, N-HEXANO 0.040 2 CMOL/MOL, METANO 85.277 0 CMOL/MOL, CILINDRO TIPO \"AS\", PRESIÓN 2.992 MPA (434 PSIG).",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "73696",
          "maximum_amount": "184240"
        },
        {
          "number": "50",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE GASES, ESTÁNDAR CERTIFICADO CON LA SIGUIENTE COMPOSICIÓN: SULFURO DE HIDRÓGENO 3.023 CMOL/MOL, BIÓXIDO DE CARBONO 4.96 CMOL/MOL, NITRÓGENO 5.07 CMOL/MOL, ETANO 22.01 CMOL/MOL, METANO 64.937 CMOL/MOL, CILINDRO TIPO !AS\", PRESIÓN 9.357 MPA (1 357 PSIG).",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "98800",
          "maximum_amount": "247000"
        },
        {
          "number": "51",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE NOX 200 PPM, SO2 1200 PPM, CO 500 PPM , PROTOCOLO EPA TRAZABLE A NIST, BALANCE NITROGENO CERTIFICADO CON INCERTIDUMBRE  RELATIVA < 3.5% CADUCIDAD MINIMO 24 MESES. CILINDRO DE  4 M3.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "31600",
          "maximum_amount": "79000"
        },
        {
          "number": "52",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE NOX 40 PPM SO2 100 PPM, CO 60 PPM  PROTOCOLO EPA TRAZABLE A NIST, BALANCE NITROGENO CERTIFICADO CON INCERTIDUMBRE  RELATIVA < 3.5% CADUCIDAD MINIMO 24 MESES. CILINDRO DE  4 M3.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "15800",
          "maximum_amount": "39500"
        },
        {
          "number": "53",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE NOX 403 PPM, SO2 2500  PPM, CO 1000 PPM  PROTOCOLO EPA TRAZABLE A NIST, BALANCE NITROGENO CERTIFICADO CON INCERTIDUMBRE  RELATIVA < 3.5% CADUCIDAD MINIMO 24 MESES. CILINDRO DE  4 M3.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "31600",
          "maximum_amount": "79000"
        },
        {
          "number": "54",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA DE NOX 80 PPM, SO2 450 PPM, CO 200 PPM PROTOCOLO EPA TRAZABLE A NIST, BALANCE NITROGENO CERTIFICADO CON INCERTIDUMBRE  RELATIVA < 3.5% CADUCIDAD MINIMO 24 MESES. CILINDRO DE  4 M3.",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "31600",
          "maximum_amount": "79000"
        },
        {
          "number": "55",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA GAS METANO 20% CMOL/MOL  BALANCE NITROGENO INFORME DE ENSAYO, GRADO STANDAR CERIFICADO, PRESIÓN Y VOLUMEN DE ACUERDO A CONCENTRACIÓN CONEXIÓN  CGA-350,CILINDRO DE 4 M3",
          "requested_quantity": null,
          "minimum_quantity": null,
          "maximum_quantity": null,
          "unit": "METRO CUBICO",
          "minimum_amount": "11929.44",
          "maximum_amount": "29823.6"
        },
        {
          "number": "56",
          "cucop_code": "25101-0039",
          "specific_item_code": "25101",
          "cucop_description": "SUSTANCIAS QUÍMICAS",
          "description": "MEZCLA PRIMARIA CON LAS SIGUIENTES CONCENTRACIONES:\n\nCO2: 12.0 %MOL\nH2S: 0.5 %MOL\nO2: 7.0 %MOL\nN2 (BALANCE): 27.8 %MOL\nCO: 7.0 %MOL\nC1: 25.0 %MOL\nC2: 10.0 %MOL\nC3: 10.0 %MOL\nI-C4: 0.125 %MOL\nN-C4: 0.125 %MOL\nN-C5: 0.125 %MOL\nI-C5: 0.125 %MOL\nN-C6: 0.100 %MOL\nN-C7: 0.100 %MOL\n\nVOLUMEN DEL CILINDRO: 6 A 9 M.\nCILINDRO DE ALUMINIO\nCONEXIÓN: 330 CGA\nPRESIÓN: 171 PSI\nCADUCIDAD: 24 MESES.",
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          "description": "HELIO ULTRA ALTA PUREZA 99.999% DE PUREZA Y 2 PPM MAXIMO DE AGUA 3 PPM DE N2, CILINDRO DE 5.9 A 9 M3",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "900",
          "subtotal": "1595475",
          "tax": "255276",
          "other_taxes": null,
          "total": "1850751"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "ISO-BUTANO",
          "unit": "KILOGRAMO KELVIN",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "7000",
          "subtotal": "736400",
          "tax": "117824",
          "other_taxes": null,
          "total": "854224"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "METANO 45.0 PPM, BALANCE AIRE. GRADO PROTOCOLO EPA. EN CILINDROS DE 4 A 5 M3.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "4200",
          "subtotal": "21000",
          "tax": "3360",
          "other_taxes": null,
          "total": "24360"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA CO 250 PPM. SO2 250 PPM, CO2 DE 2% CMOL/MOL, NOX 250 PPM CON CERTIFICADO PROTOCOLO EPA BALANCE NITROGENO,  CILNDRO DE 4 M3.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "4400",
          "subtotal": "35200",
          "tax": "5632",
          "other_taxes": null,
          "total": "40832"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE ARGON METANO 90:10 ALTA PUREZA 99.99% CILINDRO DE 6 A 8 M3.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "290",
          "subtotal": "28072",
          "tax": "4491.52",
          "other_taxes": null,
          "total": "32563.52"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE CO 1500 PPM, SO2 60 PPM, NO 60 PPM BALANCE NITROGENO, CON UNA CONCENTRACIÓN DE NO2 < 1 PPM INDICADA EN EL CERTIFICADO, PROTOCOLO EPA, TRAZABLE A NIST.  CERTIFICADO CON INCERTIDUMBRE EXPANDIDA < 1 PPM Y RELATIVA < 2% CADUCIDAD MINIMO 24 MESES. CILINDRO DE ALUMINIO DE 4 M3.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "4200",
          "subtotal": "16800",
          "tax": "2688",
          "other_taxes": null,
          "total": "19488"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE CO 4.0 %, CO2  12%, HC 1200 PPM, NOX 2000 PPM, BAL. NITRÓGENO",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "4200",
          "subtotal": "42000",
          "tax": "6720",
          "other_taxes": null,
          "total": "48720"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE CO 500 PPM, SO2 60 PPM, NO 60 PPM BALANCE NITROGENO, CON UNA CONCENTRACIÓN DE NO2 < 1 PPM INDICADA EN EL CERTIFICADO, PROTOCOLO EPA, TRAZABLE A NIST.  CERTIFICADO CON INCERTIDUMBRE EXPANDIDA < 1 PPM Y RELATIVA < 2% CADUCIDAD MINIMO 24 MESES. CILINDRO DE ALUMINIO DE 4 M3.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "4200",
          "subtotal": "67200",
          "tax": "10752",
          "other_taxes": null,
          "total": "77952"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS HIDROGENO CON H2S, AL 5%MOL DE H2S, BALANCE H2, CILINDRO DE 6 A 9 M3.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "2700",
          "subtotal": "16200",
          "tax": "2592",
          "other_taxes": null,
          "total": "18792"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS ISOBUTILENO 1000 PPM. BALANCE NITROGENO, CILINDRO DE 4  M3.GRADO CERIFICADO.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "5000",
          "subtotal": "40000",
          "tax": "6400",
          "other_taxes": null,
          "total": "46400"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS ISOBUTILENO 500 PPM. BALANCE NITROGENO, CILINDRO DE 4 M3.GRADO CERIFICADO",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "5000",
          "subtotal": "40000",
          "tax": "6400",
          "other_taxes": null,
          "total": "46400"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS METANO 60% CMOL/MOL INFORME DE ENSAYO, BALANCE NITROGENO GRDO CERIFICADO, PRESIÓN DE ACUERDO A LA CONCENTRACIÓN PSIG,CONEXÓN CGA-350, CILINDRO DE 4 M3",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "2400",
          "subtotal": "28800",
          "tax": "4608",
          "other_taxes": null,
          "total": "33408"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS NATURAL  MULTICOMPONENTE GRADO ESTÁNDAR CERTIFICADO, CON LAS SIGUIENTES\nCONCENTRACIONES EN % MOL, NITRÓGENO 0.5% MOL\nBIÓXIDO DE CARBONO 0.5% MOL SULFURO DE HIDRÓGENO\n0.5% MOL, ETANO 3% MOL PROPANO 1% MOL ISOBUTANO\n0.5% MOL N-BUTANO 0.2% MOL ISOPENTANO 0.2% MOL\nN-PENTANO 0.2% MOL N-HEXANO 0.2% MOL BALANCE:\nMETANO . CILINDRO ALS (ALUMINIO)CON UN VOLUMEN\n0.5 A 0.8 POR CILINDRO,330 PSIG TIPO DE CONEXIÓN\nCGA-330, INFORME DE ENSAYO CON INCERTIDUMBRES DE CADA COMPONENTE INCLUYENDO EL BALANCE.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "90000",
          "subtotal": "72000",
          "tax": "11520",
          "other_taxes": null,
          "total": "83520"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS NATURAL MULTICOMPONENTE GRADO ESTÁNDAR CERTIFICADO, CON LAS SIGUIENTES\nCONCENTRACIONES EN % MOL, NITRÓGENO 10.3 % MOL\nBIÓXIDO DE CARBONO 1.7% MOL ,SULFURO DE HIDROGENO 2.1%MOL, ETANO 7.6% MOL\nPROPANO 4.6% MOL, ISOBUTANO 1.5% MOL, N-BUTANO\n2.8% MOL, ISOPENTANO 0.780 % MOL N-PENTANO\n0.780 % MOL, N-HEXANO 0.780 % MOL: METANO 66.818%MOL BALANCE,\nBENCENO 0.020%MOL, CICLOHEXANO 0.032%MOL, TOLUENO\n0.020%MOL, N-HEPTANO 0.020%MOL, N-OCTANO 0.150%MOL,\nCILINDRO ALS (ALUMINIO)CON UN VOLUMEN 0.5 A 0.8\nPOR CILINDRO, 330 PSIG TIPO DE CONEXIÓN CGA-330.INFORME DE ENSAYO CON INCERTIDUMBRES DE CADA COMPONENTE INCLUYENDO EL BALANCE.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "90000",
          "subtotal": "72000",
          "tax": "11520",
          "other_taxes": null,
          "total": "83520"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS PROPANO 200 PPM BALANCE NITRÒGENO, INFORME DE ENSAYO, GRADO PROTOCOLO EPA CERTIFICADO, PRESIÓN 2500 PSIG,CONEXÓN CGA -350,PROTOCOLO EPA. CILINDRO DE 4.3 M3.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "2700",
          "subtotal": "24300",
          "tax": "3888",
          "other_taxes": null,
          "total": "28188"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS PROPANO 40% CMOL/MOL BALANCE NITRÒGENO, INFORME DE ENSAYO, GRADO CERIFICADO, PRESIÓN DE ACUERDO A LA CONCENTRACIÓN, PSIG,CONEXIÓN CGA -350. CILINDRO DE 0.8 A 4.3 M3.",
          "unit": "KILOGRAMO KELVIN",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "10000",
          "subtotal": "80000",
          "tax": "12800",
          "other_taxes": null,
          "total": "92800"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS PROPANO 400 PPM BALANCE BALANCE NITRÒGENO, INFORME DE ENSAYO, GRADO CERIFICADO, PRESIÓN Y DE VOLUMEN APROXIMADO A 4 M3. DE ACUERDO A CONCENTRACION CONEXION CGA-350.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "2700",
          "subtotal": "21600",
          "tax": "3456",
          "other_taxes": null,
          "total": "25056"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GAS PROPANO 80% CMOL/MOL BALANCE NITRÒGENO, INFORME DE ENSAYO, GRADO CERIFICADO, PRESIÓN DE ACUERDO A LA CONCENTRACIÓN, PSIG,CONEXIÓN CGA -350. CILINDRO DE 0.8 A 4.3 M3.",
          "unit": "KILOGRAMO KELVIN",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "2700",
          "subtotal": "21600",
          "tax": "3456",
          "other_taxes": null,
          "total": "25056"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GASEOSA ESTÁNDAR CON CERTIFICADO, EN CILINDRO AS, ENTREGA DE HOJAS DE SEGURIDAD, CON LAS SIGUIENTES CONCENTRACIONES:    \n                                                                          \nNITROGEN   3CMOL/MOL\nCARBON DIOXIDE  1CMOL/MOL\nETHANE\t  5CMOL/MOL\nPROPANE   3CMOL/MOL\nISO-BUTANE   1.5CMOL/MOL\nN-BUTANE   1.5CMOL/MOL\nISO-PENTANE   0.7CMOL/MOL\nN-PENTANE   0.7CMOL/MOL\n2.2-DIMETHYLBUTANE   0.5CMOL/MOL\n2,3-DIMETHYLBUTANE   0.5CMOL/MOL\nCYCLOPENTANE\t0.3CMOL/MOL\n2 METHYLPENTANE   0.3CMOL/MOL\n3 METHYLPENTANE   0.3CMOL/MOL\nN-HEXANE   0.4CMOL/MOL\nMETHYLCYCLOPENTANE\t0.2CMOL/MOL\nCYCLOPENTANE\t0.15CMOL/MOL\nCYCLOHEXANE\t0.15CMOL/MOL\n2-METHYLHEXANE   0.13CMOL/MOL\n3-METHYLHEXANE   0.12CMOL/MOL\nN-HEPTANE   0.1CMOL/MOL\nMETHYLCYCLOHEXANE   0.01CMOL/MOL\n2,2,4-TIMETHYLPENTANE    0.01CMOL/MOL\nTOLUENE   0.13CMOL/MOL\n2-METHYLHEPTANE   0.03CMOL/MOL\n4-METHYLHEPTANE   0.03CMOL/MOL\nN-OCTANE   0.15CMOL/MOL\nETHYLBENZENE   0.015CMOL/MOL\nMETA XYLENE   0.015CMOL/MOL\nPARA XYLENE   0.015CMOL/MOL\nORTO XYLENE (2,2,4-TRIMETHYLHEPTANE)  0.01CMOL/MOL\nN-NONANE   0.01CMOL/MOL\nN-DECANE   0.01CMOL/MOL\nN-UNDECANE   0.01CMOL/MOL\nN-DODECANE   0.005CMOL/MOL\nMETANO BALANCE\nLA MEZCLA DEBE ESTAR EN ESTADO GASEOSO              EL TIPO, VOLUMEN Y PRESIÓN DEL CILINDRO DE ENVASADO DETERMINADO POR EL PROVEEDOR CON VÁLVULA CGA 330. \nVIGENCIA MÍNIMA DE DOS AÑOS A PARTIR DE LA FECHA DE FABRICACIÓN. INCLUYE INFORME DE ENSAYO CON TRAZABILIDAD A NIST O CENAM CON REPORTE DE INCERTIDUMBRE.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "700000",
          "subtotal": "196000",
          "tax": "31360",
          "other_taxes": null,
          "total": "227360"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GASEOSA ESTÁNDAR CON CERTIFICADO, EN CILINDRO AS, ENTREGA DE HOJAS DE SEGURIDAD, CON LAS SIGUIENTES CONCENTRACIONES:\nETANO 6,00 CMOL/MOL\nOXIGENO 1,00 CMOL/MOL\nPROPANO 1,5 CMOL/MOL\nISOBUTANO 0,5 CMOL/MOL\nN-BUTANO 0,5 CMOL/MOL\nISOPENTANO 0,15 CMOL/MOL\nN-PENTANO 0,15 CMOL/MOL\nN-HEXANO 0,05 CMOL/MOL\nN-HEPTANO 0,03 CMOL/MOL\nNITRÓGENO 2,0 CMOL/MOL\nBIÓXIDO DE CARBONO 1,5\nMETANO BALANCE EL TIPO, VOLUMEN Y PRESIÓN DEL CILINDRO DE ENVASADO DETERMINADO POR EL PROVEEDOR CON VÁLVULA CGA 330.\nVIGENCIA MÍNIMA DE DOS AÑOS A PARTIR DE LA FECHA DE FABRICACIÓN. INCLUYE INFORME DE ENSAYO CON TRAZABILIDAD A NIST O CENAM CON REPORTE DE INCERTIDUMBRE.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "50000",
          "subtotal": "114000",
          "tax": "18240",
          "other_taxes": null,
          "total": "132240"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GASEOSA ESTÁNDAR CON CERTIFICADO, EN CILINDRO AS, VALVÚLA CGA-330, CON LAS SIGUIENTES CONCENTRACIONES DE ANALÍTOS: NITRÓGENO 4:00 CMOL/MOL, BIÓXIDO DE CARBONO 1.00 CMOL/MOL, ETANO 11.00 CMOL/MOL , PROPANO 8.00 CMOL/MOL , SULFURO DE HIDRÓGENO 2.00 CMOL/MOL,  ISOBUTANO 3.00 CMOL/MOL, N-BUTANO 3.00 CMOL/MOL, ISOPENTANO 1.50 CMOL/MOL, N-PENTANO 1.50 CMOL/MOL, N-HEXANO 0.70 CMOL/MOL, N-HEPTANO 0.60 CMOL/MOL, BALANCE METANO, EL  VOLUMEN Y PRESIÓN DEL CILINDRO ENVASADO ES DETERMINADO POR EL PROVEEDOR VIGENCIA DE 2 AÑOS, CERTIFICADO, CON INCERTIDUMBRE Y TRAZABILIDAD A NIST O CENAM.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "50000",
          "subtotal": "114000",
          "tax": "18240",
          "other_taxes": null,
          "total": "132240"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GASEOSA ESTÁNDAR CON CERTIFICADO, EN CILINDRO DE PISTON FLOTANTE, VOLUMEN APROXIMADO 800 CC, VALVÚLAS NPT 1/4, CON LAS SIGUIENTES CONCENTRACIONES DE ANALÍTOS EN % VOL: METANO 1.5% VOL, ETANO 1.0% VOL, PROPILENO 12.5% VOL, ISOBUTANO 1.0 % VOL, N-BUTANO 28 % VOL, TRANS-2-BUTENO 0.8 % VOL, 1-BUTENO 0.8 % VOL, ISOBUTILENO 0.8 % VOL, CIS-2 BUTENO 0.8 % VOL, CICLOPENTANO 0.8 % VOL, ISOPENTANO 0.8 % VOL, N-PENTANO 0.8 % VOL, 1,3-BUTADIENO 0.25 % VOL, 3-METIL-1-BUTENO 0.25 % VOL, TRANS-2-PENTENO 0.25 % VOL, 2-METIL-2-BUTENO 0.25 % VOL, 2-METIL-1-BUTENO 0.25 % VOL, CIS-2-PENTENO 0.25 % VOL, BALANCE PROPANO, EL VOLUMEN Y PRESIÓN DEL CILINDRO ENVASADO ES DETERMINADO POR EL PROVEEDOR VIGENCIA DE 2 AÑOS, CERTIFICADO CON INCERTIDUMBRE Y TRAZAVILIDAD A NIST O CENAM.",
          "unit": "KILOGRAMO KELVIN",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "91000",
          "subtotal": "182000",
          "tax": "29120",
          "other_taxes": null,
          "total": "211120"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GASES ESTÁNDAR CERTIFICADO CON LA SIGUIENTE COMPOSICIÓN: METANO 2 %, ETANO 10 %, ETILENO 7%, PROPANO 10 %, PROPILENO 7 %, CO2 3 %, HIDRÓGENO 1 %, OXÍGENO 3 %, NITRÓGENO 54 %, CO 3 %, LOS PORCENTAJES EN  % MOL  O  % VOL; CONEXIÓN CGA-350, CILINDRO TIPO \"AS\", PRESIÓN 6.978 MPA ( 1012 PSIG).",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "5200",
          "subtotal": "49296",
          "tax": "7887.36",
          "other_taxes": null,
          "total": "57183.36"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GASES MULTICOMPONENTE  GRADO ESTÁNDAR CERTIFICADO, CON LAS SIGUIENTES\nCONCENTRACIONES EN% MOL, NITRÓGENO 30.1%\nMOL BIÓXIDO DE CARBONO 4.1 % MOL SULFURO\nDE HIDRÓGENO 5.3 % MOL, ETANO 17 % MOL\nPROPANO 12.0 % MOL ,ISOBUTANO 3.5 % MOL ,N-\nBUTANO 8.2% MOL, ISOPENTANO 2.0 % MOL N-\nPENTANO 2.0 % MOL N-HEXANO 2.0 % MOL,\nBALANCE: METANO. CILINDRO ALS  (ALUMINIO)\nCON VOLUMEN Y PRESION QUE SE LOGREN ALMACENAR EN EL CILINDRO A CONDICIONES DE PRODUCCION, CONEXIÓN CGA-330,\nCADUCIDAD 1 AÑO.INFORME DE ENSAYO CON INCERTIDUMBRES DE CADA COMPONENTE INCLUYENDO EL BALANCE.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "10000",
          "subtotal": "760000",
          "tax": "121600",
          "other_taxes": null,
          "total": "881600"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GASES MULTICOMPONENTE  GRADO PATRÓN, CON LAS SIGUIENTES CONCENTRACIONES EN%\nMOL, NITRÓGENO 20.2%MOL,DIOXIDO DE CARBONO 2.90%MOL,\nAC SULFHÍDRICO 3.70%MOL, METANO: 40.430 %MOL BALANCE , ETANO:\n12.30%MOL,PROPANO:8.30 %MOL,ISO BUTANO 2.50%MOL, N BUTANO \n5.50%MOL, ISO PENTANO 1.39%MOL, N PENTANO 1.39%MOL,HEXANO\n+ PESADOS 1.39%MOL, TOTAL 100.00. CILINDRO ALS\n(ALUMINIO) Y CONEXIÓN CGA-330, CADUCIDAD DE\nMEZCLA DE 1 AÑO. CILINDRO A CAMBIO.\nEN CILINDROS DE VOLUMEN DE 0.7 A 0.8M3.INFORME DE ENSAYO CON INCERTIDUMBRES DE CADA COMPONENTE INCLUYENDO EL BALANCE.",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "52000",
          "subtotal": "52000",
          "tax": "8320",
          "other_taxes": null,
          "total": "60320"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
          "description": "MEZCLA DE GASES, ESTÁNDAR CERTIFICADO CILINDRO AS DE 1M3, PRESIÓN 2.992 MPA (434 PSIG), MÉTODO DE LLENADO ZZA-\n02-021-P0215 CON LOS SIGUIENTES COMPONENTES: ETANO 7.01 %VOL/VOL, +/-\n0.21 %VOL / VOL (+/- 3% REL.); PROPANO 2.32 %VOL/VOL, +/- 0.07 %VOL /\nVOL (+/- 3% REL.); BIÓXIDO DE CARBINO 2.001 %VOL/VOL +/- 0.060 %VOL /\nVOL (+/- 3% REL.); SULFURO DE HIDRÓGENO 0.800 %VOL/VOL +/- 0.024 %\nVOL / VOL (+/- 3% REL.); ISOPENTANO 0.299 5 %VOL/VOL +/- 0.009  0 %VOL /\nVOL (+/- 3% REL.); ISOBUTANO 0.303 9 %VOL/VOL +/- 0.009  1 %VOL / VOL\n(+/- 3% REL.); NITRÓGENO 1.006 %VOL/VOL +/- 0.030 %VOL / VOL (+/- 3%\nREL.); N-BUTANO 0.701 %VOL/VOL +/- 0.021 %VOL / VOL (+/- 3% REL.); N-\nPENTANO 0.249 2 %VOL/VOL +/- 0.007  5 %VOL / VOL (+/- 3% REL.); N-HEXANO\n0.039 80 %VOL/VOL +/- 0.001  20 %VOL / VOL (+/- 3% REL.); METANO 85.265\n6 %VOL/VOL +/- 2.558  0 %VOL / VOL (+/- 3% REL.)\"",
          "unit": "METRO CUBICO",
          "requested_quantity": null,
          "awarded_quantity": null,
          "unit_price": "80000",
          "subtotal": "160000",
          "tax": "25600",
          "other_taxes": null,
          "total": "185600"
        },
        {
          "number": "0",
          "cucop_code": "25101-0039",
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          "total": "469800"
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