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.

General information

  • Status :  Withdrawn
    Publication date : 1994-08
  • Edition : 2
    Number of pages : 8
  • :
    ISO/TC 147/SC 2
    Physical, chemical and biochemical methods
  • 13.060.60
    Examination of physical properties of water

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