- Standard No.
- DS/EN ISO 7980:2001
- Release Date
- 2001
- Published By
- Danish Standards Foundation
- Latest
-
DS/EN ISO 7980:2001
- Replace
-
DS 238:1985
- Scope
- This standard specifies a method for the determination of dissolved calcium and magnesium by flame atomic absorption spectrometry. It 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. When using the air/acetylene flame and the dilution factor 1 in 10, as described in 6.1, the optimum range is 3 to 50 mg/l for calcium and 0,9 to 5 mg/l for magnesium
DS/EN ISO 7980:2001 history
- 2001 DS/EN ISO 7980:2001 Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method
- 1985 DS 238:1985 Determinbation of metal in water, sludge and sediment by atomic abosrption in flame. Special guidelines for calcium and magnesium
DS/EN ISO 7980:2001 Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method has been changed from DS 238:1985 Determinbation of metal in water, sludge and sediment by atomic abosrption in flame. Special guidelines for calcium and magnesium.