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 5996-01-610-7449
NSN 5998-00-686-1754
NSN 5985-01-502-9010
NSN 6650-00-889-6802
NSN 6685-00-035-5971
NSN 5996-00-755-7199
NSN 6645-00-394-8924
NSN 5895-00-925-2423
NSN 6130-01-217-0209
NSN 5895-01-117-8778
NSN 6240-01-337-8401
NSN 6145-01-396-5647