ISO 7887:1994 水的质量.水的颜色检验和测定

标准编号:ISO 7887:1994

中文名称:水的质量.水的颜色检验和测定

英文名称:Water quality — Examination and determination of colour

发布日期:1994-08

标准范围

取消并替换第一版(1985年)。规定了三种颜色检查方法:通过目视观察瓶子中的水样来检查表观颜色的方法;一种使用光学仪器测定水样真实颜色的方法;通过与六氯铂标准溶液进行目视比较来测定颜色的方法。在某些情况下,在检查或测定之前,需要稀释颜色强烈的水样。

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.

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