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 5930-01-461-4349
NSN 5915-00-550-7073
NSN 6145-01-112-0397
NSN 5935-00-842-7886
NSN 6110-01-148-3426
NSN 5975-00-885-9006
NSN 5999-00-382-6007
NSN 5996-01-350-3345
NSN 6110-00-811-0363
NSN 5985-01-227-5748
NSN 6105-01-411-5970
NSN 6220-01-092-3880