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ISO 6685:1982

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Chemical products for industrial use General method for determination of iron content 1,10-Phenanthroline spectrophotometric method
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

22-02-2019

Language(s)

English, French

Published date

01-07-1982

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.

DevelopmentNote
Also numbered as BS 6337-3(1983) (09/2005)
DocumentType
Standard
Pages
4
PublisherName
International Organization for Standardization
Status
Withdrawn

Standards Relationship
NFT 20 060 : 83 FD Identical
PN ISO 6685 : 2002 Identical
NBN T 02 208 : 1984 Identical
UNE 55709:1984 Identical

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