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 5895-01-107-8547
NSN 6105-01-411-6668
NSN 6685-01-501-3970
NSN 5930-01-305-3559
NSN 6650-01-372-8931
NSN 5895-01-018-4103
NSN 5965-01-535-0718
NSN 5960-01-061-6216
NSN 6145-00-470-9728
NSN 6240-01-585-7753
NSN 6240-00-889-1825
NSN 6320-00-322-3460