Describes the specification requirements for commercially available gaseous and liquid helium. Provides data concerning quality verification systems, sampling, analytical procedures, containers, typical uses for various grades (QVLs), and supplemental specification tables.
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CGA G-9.1
Original price was: $138.00.$69.00Current price is: $69.00.
Commodity Specification for Helium
Compressed Gas Association , 03/04/2009
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