NPFC - BB-H-886
HYDROGEN
| Organization: | NPFC |
| Publication Date: | 24 February 2011 |
| Status: | active |
| Page Count: | 8 |
scope:
This specification covers three grades of gaseous hydrogen for use in cutting and welding, and as a lifting medium for meteorological and other balloons; for fuel, hydrogenation, and water chemistry applications; and for semiconductor, analytical and special applications (see 6.1).
intended Use:
Grade A hydrogen is intended for use in general industrial applications such as cutting, welding, and as a lifting medium for meteorological and other balloons. Grade B hydrogen, a higher purity... View More
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