Số hiệu tiêu chuẩn
ISO 7996
Tên tiêu chuẩn
Ambient air; Determination of the mass concentration of nitrogen oxides; Chemiluminescence method
Ngày phát hành
1985-12-00
Tiêu chuẩn tương đương
DIN ISO 7996 (1990-02), IDT * DIN ISO 7996 (1987-09), IDT * BS 1747-9 (1987-09-30), IDT * NF X43-018 (1983-03-01), NEQ * PN-ISO 7996 (2001-12-05), IDT * SS-ISO 7996 (1992-11-30), IDT * UNE 77212 (1993-05-19), IDT * TS ISO 7996 (2011-11-22), IDT * SFS 5425 (1988), MOD * STN ISO 7996 (1997-06-01), IDT * NEN-ISO 7996:2001 en (2001-04-01), IDT * SANS 7996:2012 (2012-02-08), IDT
Từ khóa
Air * Air pollution * Air purification * Atmosphere * Chemical analysis and testing * Concentration (chemical) * Determination of content * Emission * Gas analysis * Luminescence * Measurement * Nitrogen oxides * Pollutant gases * Pollution control * Quality * Mass concentration * Emission measurement * Air quality * Chemiluminescence