Résumé
The principle of the procedure consists in addition to a test portion, under specified conditions, of potassium permanganate solution. Determination of the time taken for the colour of this test solution to match that of a cobalt(II) chloride and uranyl nitrate colour standard. This document should be read in conjenction with ISO 757/1.
Cycle de vie
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Précédemment
AnnuléeISO/R 757:1968
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Actuellement
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