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See Chinese contents: GB/T 41330-2022 GB/T 41330-2022: Analysis of water used in boiler and cooling system - Determination of trace copper, iron, sodium, calcium and magnesium - Inductively coupled plasma mass spectrometry (ICP-MS)
This document describes the determination of trace copper, iron, sodium, calcium, and magnesium content in water used in boiler and cooling systems by inductively coupled plasma mass spectrometry. This document is applicable to the determination of trace copper, iron, sodium, calcium, and magnesium content in water used in boiler and cooling systems. Measurement range: copper content 0.1 μg/L~1000 μg/L, iron content 5 μg/L~1000 μg/L, sodium content 10 μg/L~1000 μg/L, calcium content 10 μg/L~1000 μg/L, magnesium content 1 μg/L~ 1000 μg/L; when the content exceeds 1000 μg/L, it shall be diluted and then measured.
