ISO 6685:1982 ✓ Most Recent [ Withdrawn ]

719538

Chemical products for industrial use -- General method for determination of iron content -- 1,10-Phenanthroline spectrophotometric method

standard by International Organization for Standardization , 07/01/1982

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All the iron(III) present in the test solution is reduced to iron(II) with ascorbic acid. At a pH between 2 and 9 1,10-phenanthroline is added. the measurement of the absorbance of the orange-red complex formed is carried out at the wavelength of maximum absorption (510 nm). The method is applicable to test solutions from which an aliquot portion can be taken containing between 10 and 500 g of Fe in a volume of not more than 60 m. Details of certain interferences and means by which they can be overcome are given in an annex.

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Product Details

Published:

07/01/1982

Number of Pages:

4

File Size:

1 file

Same As:

BS 6337-3:1983

Note:

This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus