Chemtron Science Laboratories Pvt. Ltd supplies Instrument Gases. Chemtron Science Laboratories Pvt. Ltd is an ISO 9001: 2000 certified company. Instrument Gases feature Hydrogen with Component Purity 99.999%, Helium with Component Purity 99.999%, Nitrogen with Component Purity 99.999% and Argon with Component Purity 99.999%. Among other Instrument Gases, there comes The Synthetic Air with Component Purity 99.999%, Methane with Component Purity 5% bal Argon and Methane with Component Purity 10% bal Argon. The Instrument Gases are available in 500 ml canister to large size containers.