100ppm isobutylene/balance air
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 5910-00-281-0148
NSN 5915-00-309-0514
NSN 5920-00-826-0949
NSN 5855-01-634-0259
NSN 5950-01-535-0980
NSN 5935-01-610-6213
NSN 5945-00-259-9959
NSN 6620-00-481-4210
NSN 5855-01-318-7663
NSN 2925-00-596-9775
NSN 5950-01-097-2308
NSN 4140-00-886-1710