This standard specifies the atomic absorption spectrophotometric method for the determination of potassium and sodium in atmospheric precipitation. This standard applies to the determination of potassium and sodium in atmospheric precipitation samples. The minimum detectable concentration of potassium in this standard is 0.013mg/L, and that of sodium is 0.008mg/L. The measuring range of potassium is 0.08~4mg/L, and sodium is 0.02~0. ()41ng/L.
GB/T 13580.12-1992 history
1992GB/T 13580.12-1992 Determination of sodium and potassium in the wet precipitation.Atomic absorption spectrophotometry