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 6105-00-843-0664
NSN 5925-01-167-9769
NSN 6645-01-049-6116
NSN 4140-01-182-2305
NSN 5945-00-440-0516
NSN 5910-01-193-7296
NSN 5915-01-614-3033
NSN 5915-01-294-5903
NSN 5905-00-919-4445
NSN 4140-01-570-6685
NSN 5996-01-229-7434
NSN 6110-01-598-3973