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See Chinese contents: GB/T 3634.2-2011 GB/T 3634.2-2011: Hydrogen -- Part 2: Pore hydrogen, high pure hydrogen and ultrapure hydrogen
This Part specifies the technical requirements, test methods, packaging, marking, storage and transportation, and safety requirements for pure hydrogen, high pure hydrogen and ultrapure hydrogen. This Part is applicable to hydrogen produced by means of adsorption and diffusion, loaded in bottles and containers, and transmitted by pipeline. It is mainly used in the fields of electronics industry, petrochemical industry, metal smelting, and scientific research.
