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7
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Sector
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Railways Transport Services Tenders
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Tender Value
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N.A.
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Location
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Tamil Nadu Tenders
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Ref.No
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79209135
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Closing Date
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11 - Feb - 2025
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26 Days to go
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View Tender Details
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Supply of set of three numbers of standard calibration gas mixture for dissolved gas analyzer of 0.5 litres canister with fine control needle valve and septum as spares to draw sample directly from canister using gc syringe. #*. set of three numbers of standard calibration gas mixture for dissolved gas analyzer of 0.5 litres canister with fine control needle valve and septum as spares to draw sample directly from canister using gc syringe. preparation tolerance (plus or minus 20 %) and shelf life 12 months. filling pressure 20 kg/sq.cm. gas composition is as follows: item 1: hydrogen 5 ppm,, methane 5 ppm,, ethylene 5 ppm,, ethane 5 ppm, acetylene 5 ppm, carbon monoxide 25 ppm, carbon dioxide 25 ppm, propane 500 ppm & propylene500 ppm, nitrogen as balance; item 2: hydrogen 750 ppm, methane 750 ppm, ethylene 750 ppm, ethane 750 ppm, acetylene 750 ppm, carbon monoxide 7500 ppm & carbon dioxide 7500 ppm, nitrogen as balance; item 3: hydrogen 1000 ppm, methane 1000 ppm,. ethylene 1000 ppm, ethane 1000 ppm, acetylene 1000ppm, carbon monoxide 12000 ppm & carbon dioxide 12000 ppm, nitrogen as balance. the calibration gas standards must be supplied with a certificate of analysis or calibration certificate having traceability to nabl/nist standards [ warranty period: 12 months after the date of delivery ] ]
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