90.93 Standard confirmed Sep 18, 2023
ISO
ISO/TC 146/SC 3 Ambient atmospheres
International Standard
13.040.20 Ambient atmospheres
Published
The procedure is applicable to mass concentration of nitrogen monoxide present up to approximately 12,5 mg/m3 of nitrogen dioxide up to approximately 19 mg/m3 at 25 °C and 101,3 kPa.
PUBLISHED
ISO 7996:1985
90.93
Standard confirmed
Sep 18, 2023
ABANDON
ISO/WD 7996