Abstract
The method is applicable to products having a content equal to or greater than 0,1 mg/kg. The principle concists in reduction of the iron(III) by hydroxylammoniumchloride. Formation of a iron(II)-1,10-phennanthroline complex in a buffered solution. Photometric measurement of the coloured complex at a wavelength of about 510 nm.
General information
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Status: PublishedPublication date: 1973-04Stage: International Standard confirmed [90.93]
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Edition: 1Number of pages: 2
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Technical Committee :ISO/TC 47ICS :71.060.50
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