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 5925-01-535-4409
NSN 5910-01-123-5321
NSN 6130-01-054-2139
NSN 6105-01-641-8659
NSN 6685-00-696-2418
NSN 6645-00-928-2865
NSN 6220-01-519-9305
NSN 5910-00-099-9998
NSN 6135-00-243-8330
NSN 6240-01-327-3239
NSN 5965-01-197-6924
NSN 6105-00-974-8237