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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:

ISO 7887:2011:2011 12 16

ICS

13.060.60

Fachgebiete

Environment, Water quality, Examination of physical properties of water

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