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ISO 10203:1992

Iron ores — Determination of calcium content — Flame atomic absorption spectrometric method

Standard Details

The method is based on decomposition of the test portion by hydrochloric acid/nitric acid, evaporation, ignition of the residue and removal of silica, fusion with sodium carbonate and dissolution of the cooled melt in the filtrate, aspiration of the solution into the flame of an atomic absorption spectrometer, and comparison of the absorbance values obtained for calcium with those obtained from the calibration solutions. Applies to calcium contents between 0,01 % and 10,0 % in natural iron ores, iron ore concentrates and agglomerates, including sinter products.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 10203:1992
Document Year: 1992
Pages: 9
Edition: 1

Life Cycle

WITHDRAWN

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WITHDRAWN
ISO 10203:1992
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