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ISO 8467:1993

Water quality — Determination of permanganate index

Jun 3, 1993

General information

90.93     Apr 8, 2026

ISO

ISO/TC 147/SC 2

International Standard

13.060.50  

French   English  

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Published

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Scope

The principle of the method specified is heating a sample in a boiling water-bath with a known amount of potassium permanganate und sulfuric acid for a fixed period time (10 min), reducing part of the permanganate by oxidizable material in the sample and determining the consumed permanganate by addition of an excess of oxalate solution, followed by titration with permanganate. Applies to waters having a cloride ion concentration of less than 300 mg/l. Samples having a permanganate index over 10 mg/l should be diluted before analysis. The lower limit of the optimum range of the test is 0,5 mg/l.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 8467:1986

NOW

PUBLISHED
ISO 8467:1993
90.93 Standard confirmed
Apr 8, 2026

National adoptions

SRPS EN ISO 8467:2007  
ISS

Water quality - Determination of permanganate index (ISO 8467:1993)

90.93   Standard confirmed

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