HJ/T 43-1999
Stationary source emission-Determination of nitrogen oxide-N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method (English Version)

Standard No.

HJ/T 43-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Environmental Protection

Latest

HJ/T 43-1999

Scope

1.1 This standard applies to the determination of nitrogen oxides emitted from organized sources of stationary pollution. 1.2 When the sampling volume is 1L, the qualitative detection concentration of this method is 0.7 mg/ms, and the concentration range of quantitative determination is 2.4-208 mg/m:. Samples with higher concentrations can be measured using Xijie's method.

HJ/T 43-1999 history

• 1999 HJ/T 43-1999 Stationary source emission-Determination of nitrogen oxide-N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method