Povučen
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.
POVUČEN
ISO 7887:1985
POVUČEN
ISO 7887:1994
95.99
Povučen
16. 12. 2011.
OBJAVLJEN
ISO 7887:2011