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ISO 4294:1984
M00001235
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ISO 4294:1984 Manganese ores and concentrates -- Determination of copper content -- Extraction-spectrometric and spectrometric methods
standard by International Organization for Standardization, 12/01/1984
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The extraction-spectrometric method (A) is applicable to products having copper contents up to 0,5 % (m/m), the spectrometric method (B) is applicable to products having copper contents from 0,1 to 1 % (m/m). Cancels and replaces the first edition (ISO 4294-1978), of which it constitutes a minor revision. ISO 4294 should be read in conjunction with ISO 4297.