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
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Estado: RetiradaFecha de publicación: 1994-08Etapa: Retirada de la Norma Internacional [95.99]
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Edición: 2Número de páginas: 8
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Comité Técnico :ISO/TC 147/SC 2ICS :13.060.60
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Ciclo de vida
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Anteriormente
RetiradaISO 7887:1985
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Ahora
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Revisada por
PublicadoISO 7887:2011