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 6650-00-238-1199
NSN 5910-00-100-5784
NSN 6105-01-381-2496
NSN 6620-01-130-3139
NSN 6135-00-932-3136
NSN 5930-00-841-1768
NSN 6650-01-169-6367
NSN 6320-01-056-1164
NSN 7035-01-229-0941
NSN 6145-00-971-8284
NSN 6240-00-287-1988
NSN 6110-01-416-8485