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ISO 714:1975 Zinc - Determination of iron content - Photometric method
standard by International Organization for Standardization, 07/01/1975
The method is applicable to all zinc types provided that their copper content is 0,01 % maximum. The determination is suitable for iron contents between 0,001 and 0,01 %. This standard specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.
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