为说明工业废水的颜色种类,如:深蓝色、棕黄色、暗黑色等,可用文字描述。 为定量说明工业废水色度的大小,采用稀释倍数法表示色度。即,将工业废水按一定的稀释倍数,用水稀释到接近无色时,记录稀释倍数,以此表示该水样的色度,单位为倍。
二、稀释倍数法(Dilution times method) 该法依据GB 11903-89。1.方法原理 为说明工业废水的颜色种类,如,深蓝色,棕黄色,暗黑色等,可用文字描述。
基于8个网页-相关网页
介绍了可以用于制浆造纸工业废水色度检测的多种方法,包括各种铂钴比色法和稀释倍数法。
This paper introduced several methods for chromaticity measurement of wastewater from the pulp and paper industry, in which platinum-cobalt methods and dilution multiple methods were included.
污水色度的测定一般采用稀释倍数法,该方法在用人眼判定稀释后的水样是否接近无色时容易引起误差。
The method for determine sewage's chroma is method of dilution multiple. It's easy to bring in error when using eyes to determine the diluted sample is whether achromatism or not.
应用推荐