ISO 714:1975, Zinc - Determination of iron content - Photometric method

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. This title may contain less than 24 pages of technical content.