SD90762 residual chlorine measuring instrument using photoelectron colorimetric detection principle to replace the traditional visualcolorimetry.
SD90762余氯测定仪采用光电子比色检测原理取代传统的目视比色法。
2
Making standard solution as reference and preparing the simulation of reagents makes it possible that content of and cyanide in the sample can be measured with visualcolorimetry.
制作标准溶液作为参比，制备模拟试剂，实现用目视比色法测定样品中微量磷和氰化物含量。
3
Analyzed qualitatively and determined quantitatively the exist and relative content of aloe dry powder by visualcolorimetry, which using product of coloured complex and colour difference.