色度

Sulphuric acid colour is an important quality index for 2 ethylhexanol (EH) and a difficult point in process control.

硫酸色是辛醇产品的一项重要质量指标，也是产控制中的一个难点。

Based on the colorimetry mechanism,the meaning oftrichroism is studied,as well as the synthetic and selecting principles of trichroism ofreactive and disperse dyes in particular.

本文从色理说明三色意义,并详细论述活染料及分散染料三色的合成和筛选则。

Results showed that internal electrolysis pre-treatment of yeast-producing wastewater were effective on the removal of COD and colority.What is more important is that the biod...

确定条件下试验,内电解对色、COD的去除有一定的效果,重要的是提高了废水的可,有利于物处理。

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.

污水色的测定一般采用稀释倍数法,该方法用人眼判定稀释后的水样是否接近无色时容易引起误差。