T/QAS 082.7-2023 Chemical Analysis of Rock Salt and Glauber's Salt Part 7: Determination of Potassium, Sodium, Calcium and Magnesium by Inductively Coupled Plasma Emission Spectrometry (English Version)
This document describes the terms and definitions, principles, interferences and elimination, reagents and materials, instrumentation, samples, analytical procedures, quality control and waste disposal for the determination of water-soluble potassium, sodium, calcium and magnesium in rock salt and thenardite. This document is applicable to the determination of water-soluble potassium, sodium, calcium and magnesium in rock salt and thenardite. The method detection limit and determination range are shown in Table 1. Table 1 Method detection limit and determination range Determination element method detection limit/mg/Kg Determination range (mass fraction)/% K 20 ≥0.010 Na 20 ≥0.010 Ca 10 0.010～10.0 Mg 10 0.010～10.0
T/QAS 082.7-2023 history
2023T/QAS 082.7-2023 Chemical Analysis of Rock Salt and Glauber's Salt Part 7: Determination of Potassium, Sodium, Calcium and Magnesium by Inductively Coupled Plasma Emission Spectrometry