摘要
我们在环境水质化验过程中 ,有几个项目诸如溶解氧、硫化物、挥发酚等都涉及到Na2S2O3 溶液的配制和标定的问题 ,这篇文章中主要阐述了关于Na2S2O3 溶液易分解的几个原因和以K2Cr2O7 为基准试剂进行标定时的反应条件。
In the course of environmental water quality test,a few items such as dissolved oxygen,sulfuret and volatile hydroxybenze are all involved with compounding of Na2S2O3 solution and its demarcating.This article expounds the reasons why Na2S2O3 solution is easy to decompound and the reaction condition to demarcate with K2Cr2O7 as fiducial reagent.
出处
《黑龙江环境通报》
2001年第2期86-86,85,共2页
Heilongjiang Environmental Journal
