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EVS-EN ISO 7887:1999

Water quality - Examination and determination of colour

General information

Withdrawn from 04.01.2012
Base Documents
ISO 7887:1994; EN ISO 7887:1994
Directives or regulations
None

Standard history

Status
Date
Type
Name
Cancels and replaces the first edition (1985). Specifies three methods for the examination of colour: a method for the examination of apparent colour by visually observing a water sample in a bottle; a method for the determination of the true colour of a water sample using optical apparatus; a method for the determination of the colour by visual comparison with hexachloroplatinate standard solutions. Under certain circumstances, strongly coloured water samples need to be diluted before examination or determination.

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