ICS 71.040.50, 77.080.01                         CHD 1

(Amalgamating IS 4264:1967 and IS 4542: 1966)

Reaffirmed 2022

1. Scope

This standard prescribes the method for volumetric determination of iron by using (a) potassium permanganate, and (b) potassium bichromate and spectrophotometric method for determination of iron by using (1) thioglycolic acid, and (2)

2. Referenced Documents

The following standards contain provisions which through reference in this text, constitute provisions of this standard. At the time of publication the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:

IS No. Title

1070:1992 Reagent grade water (third revision)

2316:1990 Methods of preparation of standard solutions for calorimetric and volumetric analysis (second revision)