GB/T 13580.7-1992 Determination of nitrite in the wet precipitation.N-(1-naphthyl)-1,2-diaminoethane dihydrochloride spectrophotometry (English Version)
This standard specifies the N-(1-naphthyl)-ethylenediamine photometric method for the determination of nitrite in atmospheric precipitation. This standard applies to the determination of nitrite in atmospheric precipitation samples. The minimum detectable concentration of this standard is 0.04mg/L, and the determination range is 0.01~0.02mg/L.
GB/T 13580.7-1992 history
1992GB/T 13580.7-1992 Determination of nitrite in the wet precipitation.N-(1-naphthyl)-1,2-diaminoethane dihydrochloride spectrophotometry