Mixture contains total hydrocarbon as methane less than 0.1 ppm, carbon monoxide less than 0.5 ppm, carbon dioxide less than 1.0 ppm, water less than 5.0 ppm, oxygen 20.0 pct to 21.0 pct and balance nitrogen; mixture to be analyzed and certified to accuracy cited and recorded on weatherproof tag attached to valve under cap 1
A predetermined mixture of 2 or more gases in which each component is measured to extreme accuracy and its contents certified. It is normally used to standardize and assure the accuracy of highly sensitive laboratory equipment.
NSN 6105-01-578-4144
NSN 5910-00-492-1637
NSN 6610-01-397-4607
NSN 5930-01-263-9301
NSN 2925-01-497-9381
NSN 5915-01-627-2299
NSN 6620-01-361-4771
NSN 5945-00-234-8113
NSN 6650-01-524-6791
NSN 6220-00-863-7838
NSN 5905-00-691-2218
NSN 6110-00-960-0018