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ISO 4740:1985
M00001892
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ISO 4740:1985 Copper and copper alloys - Determination of zinc content - Flame atomic absorption spectrometric method
standard by International Organization for Standardization, 07/01/1985
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The method is applicable to the determination of zinc contents between 0.001 and 6 % (m/m). ISO 4740 does not apply to copper alloys containing more than 10 % (m/m) of lead. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.