EMPANELMENT OF MANUFACTURERS/AUTHORISED VENDORS FOR ANNUAL RATE CONTRACT FOR SUPPLY OF LABORATORY GASES TO BE USED IN VARIOUS RESEARCH INSTRUMENTS

SUPPLY OF LABORATORY GASES ::

Nitrogen - 110 cylinders, each containing 7.00 m3 of 99.999% pure, UHP Grade, N2

Anaerobic (anoxic) gas - 14 cylinders, each containing 7.00 m3 of 99.999% pure, UHP Grade, N2:CO2:H = 80:10:10 (v/v/v)

Oxygen - 6 cylinders, each containing 7.00 m3 of 99.999% pure, UHP Grade, O2

Carbon dioxide - 10 cylinders, each containing 7.00 m3 of 99.999% pure, UHP Grade, CO2

Hydrogen - 2 cylinders, each containing 7.00 m3 of 99.999% pure, UHP Grade, H2

Argon - 2 cylinders, each containing 7.00 m3 of 99.999% pure, UHP Grade, Ar

Premix Argon: CO2 = 70:30 - 2 cylinders, each containing 7.00 m3 of 99.999% pure, UHP Grade

Premix Argon: CO2 = 90:10 - 1 cylinders, each containing 7.00 m3 of 99.999% pure, UHP Grade

Liquid Nitrogen – 8580 Liter in a year (165 liter per week)

Liquid Helium – 600 Liter in a year

For Darjeeling Campus ::: Methane 5%+Balance Helium (2 Cylinders of 10 liters capacity for one year)

For Darjeeling Campus ::: Oxygen 10% + balance Helium (1 cylinder of 47 liters capacity for one year)

For Darjeeling Campus ::: Helium gas purity 99.999% (1 cylinder of 47 liters capacity for one year)

For Darjeeling Campus ::: CO2 gas purity 99.999% (1 cylinder of 10 liters for one year)