Reference number
ISO 7887:1994
ISO 7887:1994
Water quality — Examination and determination of colour
Edition 2
1994-08
Retirada
ISO 7887:1994
14837
Retirada (Edición 2, 1994)

Resumen

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.

Informaciones generales

  •  : Retirada
     : 1994-08
    : Retirada de la Norma Internacional [95.99]
  •  : 2
     : 8
  • ISO/TC 147/SC 2
    13.060.60 
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