Method Phenol-sulfuric acid colorimetric analysis is employed.
方法采用苯酚-硫酸比色法。
A design of the meter was given according to the principle of colorimetric analysis.
该仪器是根据比色的原理而设计的。
METHODS: Colorimetric analysis, was performed by the anthrone reagent.
方法：采用蒽酮比色法。
METHODS: Colorimetric analysis, was performed by the anthrone reagent.
方法：采用蒽酮比色法。
应用推荐