ISO-5517 › Fruits, vegetables and derived products -- Determination of iron content -- 1,10- Phenanthroline photometric method

ISO-5517 - 1ST EDITION - CURRENT


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The method consists in decomposing the organic matter, followed by reduction of trivalent iron by hydroxyammonium chloride, forming, in a buffered medium, of the stable iron(II)/1,10 phenanthroline complex, and photometric measuring of the red-coloured complex at a wavelength of 508 nm.

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Document Number

ISO 5517:1978

Revision Level

1ST EDITION

Status

Current

Publication Date

May 1, 1978

Committee Number

ISO TC 34/SC 3