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 5945-01-344-7522
NSN 6645-01-057-7987
NSN 5855-00-174-3482
NSN 5950-00-851-2653
NSN 5905-00-375-6342
NSN 5930-01-525-7665
NSN 2925-01-543-0073
NSN 5985-01-658-6712
NSN 5996-00-784-3240
NSN 5945-00-677-3933
NSN 6110-01-062-2208
NSN 6220-00-281-9206