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ILNAS-EN ISO 7887:1994 Edition 10/1994
Water quality - Examination and determination of colour (ISO 7887:1994)
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  • 17.2 / copy
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Abstract

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.

Status

Standard - Superseded

Origin

Technical Committee :
CEN/TC 230 : Water analysis

Implementation

start of the vote on the project    04/03/1993   date of ratification (dor)    14/10/1994
end of the vote on the project    04/08/1993   date of anouncement (doa)    31/01/1995
start of the vote on the final project    24/03/1994   date of publication (dop)    30/04/1995
end of the vote on the final project      date of withdrawal (dow)    30/04/1995


Publication Official Journal
of the Grand-Duchy of Luxembourg
09/03/1995
Reference

Relations

Evolutions
ILNAS-EN ISO 7887:2011

Relations to international standards
ISO/DIS 7887.2 
ISO 7887:1994 

International Classification for Standards (ICS codes) :

13.060.30 : Sewage water

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