Withdrawn
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.
WITHDRAWN
ISO 7887:1985
WITHDRAWN
ISO 7887:1994
95.99
Withdrawal of Standard
Dec 16, 2011
PUBLISHED
ISO 7887:2011
Water quality - Examination and determination of colour (ISO 7887:1994)
95.99 Withdrawal of Standard