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Status : Active
Standard Type : Main
Document No : ISO 7980:1986
Document Year : 1986
Pages : 3
Edition : 1
Section Volume : Physical, chemical and biochemical methods (ISO/TC 147/SC 2.)
The procedure is intended for the analysis of raw and drinking waters and can be used for waters having a calcium content of up to 50 mg/l and a magnesium content of up to 5 mg/l. For samples containing higher concentrations of calcium or magnesium a smaller volume of the sample must be taken for the analysis.