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Icon ISO
Norm

ISO 7887:1994

Ausgabedatum: 1994 08 25

Water quality — Examination and determination of colour

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 observin...
ZURÜCKGEZOGEN: 2011 12 16
Herausgeber:
International Organization for Standardization
Format:
Digital | 8 Seiten
Sprache:
Englisch
Aktuell Gültig:

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.

ISO 7887:2011
2011 12 16
Water quality — Examination and determination of colour
Norm
ISO 7887:1994
1994 08 25
Water quality — Examination and determination of colour
Norm
ISO 7887:1985
1985 02 14
Water quality — Examination and determination of colour
Norm
Norm
ISO 7887:2011
Ausgabedatum : 2011 12 16
Water quality — Examination and determination of colour