Calibrating gas mixture.
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 5985-01-372-9589
NSN 5925-00-487-7542
NSN 5985-01-322-4933
NSN 5965-00-246-5612
NSN 5960-00-529-2704
NSN 5960-01-196-3344
NSN 6130-01-057-1193
NSN 5950-01-027-0035
NSN 5965-01-657-9307
NSN 5975-01-187-7744
NSN 5905-00-933-0490
NSN 5935-00-383-3535