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 5935-00-070-8158
NSN 6110-01-473-0096
NSN 5998-00-801-7925
NSN 5965-00-799-5490
NSN 6150-01-254-8376
NSN 5999-01-530-6450
NSN 5996-00-202-6576
NSN 4140-00-758-7686
NSN 5920-01-592-3220
NSN 5935-00-246-2575
NSN 5985-01-353-2431
NSN 5960-01-344-2604