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: WithdrawnPublication date: 1994-08
Edition: 2Number of pages: 8
Technical Committee: ISO/TC 147/SC 2 Physical, chemical and biochemical methods
- ICS :
- 13.060.60 Examination of physical properties of water
ISO 7887:1994Stage: 95.99
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