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ISO 6130:1985
M00001820
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ISO 6130:1985 Chromium ores -- Determination of total iron content -- Titrimetric method after reduction
standard by International Organization for Standardization, 11/01/1985
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The method is applicable to chromium ores with iron content of 0,5 to 32 % (m/m). Should be read in conjunction with ISO 6629. Specifies principle, reagents, apparatus, sampling and samples, procedure and expression of results. Includes a warning to the dangers involved in the use of perchloric acid and hydrofluoric acid.