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 6110-00-756-3784
NSN 5905-00-594-8102
NSN 5905-00-910-2411
NSN 5998-00-278-4481
NSN 5996-00-733-5690
NSN 5996-01-523-8746
NSN 6110-01-104-4777
NSN 2925-00-060-8292
NSN 5999-01-419-3501
NSN 5985-00-090-7488
NSN 5999-00-930-6236
NSN 6240-01-078-4810