This standard specifies the mercury thiocyanate ferric photometric method for chloride in atmospheric precipitation. This standard applies to the determination of chloride in atmospheric precipitation samples. The minimum detectable concentration of this standard is 0.03mg/L, and the determination range is 0.4~6.0mg/L.
GB/T 13580.9-1992 history
1992GB/T 13580.9-1992 Determination of chloride in the wet precipitation.Ferrithiocyanate spectrophotometry