PN EN ISO 7887 : 2012
Current
The latest, up-to-date edition.
WATER QUALITY - EXAMINATION AND DETERMINATION OF COLOUR (ISO 7887:2011)
12-01-2013
Describes four 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 true colour using optical apparatus for comparison with hexachloroplatinate concentration at wavelength 410 nm; a method for the determination of the colour by visual comparison with hexachloroplatinate standard solutions.
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