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ISO 8467:1993

Current Revision

Water quality - Determination of permanganate index

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 8467
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 147/SC 2
Publish Date Document Id Type View
Not Available ISO 8467:1993 Revision