bids are invited for various gases 2402 argon gas - refilling of uhp grade argon gas having purity 99.999 with impurities limited to oxygen 2 ppm,thc 0.50 ppm,h20 2 ppm,co co2 0.50 ppmnote argon gas will be filled in compressed condition at approx. 140 kg obliccm2 pressure and to be filled in empty departmental cylinder. capacity of cylinders 7 cubic meters 47 litre wc ,production method manometric,stability 12 months minimum , 2402 argon gas - refilling of uhp grade argon gas having purity 99.999 with impurities limited to oxygen 2 ppm,thc 0.50 ppm,h20 2 ppm,co co2 0.50 ppmnote argon gas will be filled in compressed condition at approx. 140 kg obliccm2 pressure and to be filled in empty departmental cylinder. capacity of cylinder 10 litre wc,stability 12 months minimum , 361001 zero gas cylinder cyl10cs 02 5 - refilling of uhp grade zero air gas having purity 99.999 with impurities limited to oxygen equal 21 ,thc 0.50 ppm,h20 2 ppm,co co2 0.50 ppmnote zero air gas will be filled in compressed condition at approx. 140 kg obliccm2 pressure and to be filled in empty departmental cylinder. capacity of cylinder 7 cubic meters 47 litre wc ,production method manometric,stability 12 months minimum , hydrogen gas - refilling of uhp grade hydrogen gas having purity 99.999 with impurities limited to oxygen 2 ppm,thc 0.50 ppm,h20 2 ppm,co co2 0.50 ppmnote hydrogen gas will be filled in compressed condition at approx. 135 kg obliccm2 pressure and to be filled in empty departmental cylinder. capacity of cylinders 7 cubic meters 47 litre wc ,production method ,manometric,stability 12 months minimum , 361021 calibration gas for zero - refilling of mixed gases for calibration having composition methane 100 ppm,ethane 100 ppm,ethylene 100 ppm,acetylene 100 ppm,propane+propylene 200 ppm,hydrogen 175 ppm,carbon monoxide 100 ppm,carbon dioxide 1000 ppm,oxygen 1 , nitrogen 2 ,argon balancenote gas will be filled in compressed condition at approx. 130 kg obliccm2 pressure and to be filled in departmental cylinder. capacity of cylinders 3 litre wc, production method gravimetric,stability 12 months minimum , hydraulic testing of ba set cylinder - hydraulic testing of 4 nos. following gas cylinders along with testing certificate 1.1 no. argon cylinder 47 litre wc ,2.1 no. argon cylinder 10 litre wc ,3. 1 no. mixed calibration gas cylinder 3 litre wc , 4.1 no. zero air gas cylinder 47 litre wc , hydraulic testing of h2 gas cylinders - hydraulic testing of hydrogen gas cylinder 1 nos. 47 litre wc along with testing certificate , freight charges - freight charges to collect departmental cylinder and deliver back the cylinders after purging,testing and refilling. total quantity : 18