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sklademVydáno: 1986
ISO 7980:1986
ISO 7980:1986-Water quality — Determination of calcium and magnesium — Atomic absorption spectrometric method
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Označení normy: | ISO 7980:1986 |
Počet stran: | 3 |
Vydání: | 1 |
Vydáno: | 1986 |
DESCRIPTION
ISO 7980:1986
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.