GB/T 7477-1987
ActiveWater quality--Determination of thesum of calcium and magnesium--EDTA titrimetric method
水质 钙和镁总量的测定 EDTA滴定法
Application Summary AI generated
This standard specifies the EDTA titrimetric method for determining the total concentration of calcium and magnesium ions in water samples. It is primarily applied in environmental monitoring, water quality assessment, and industrial wastewater testing to measure water hardness. The method is used by laboratories and regulatory agencies for evaluating natural waters, drinking water, and surface waters.
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