摘要
本文讨论了无外加热条件下 ,直接利用浓H2 SO4 与水混合放出的热量来加热水样的快速CODcr的测定方法。实验结果表明 :该方法具有较高的准确度、精密度 ,快速、低耗。
This article discussed the method of quick measuring COD cr with the quantity of heat of mixing dense H 2SO 4 and water directly without reflux.The result stated:This method possessed the following character:the high accuracy,high reproducility,high speed,low consumption and good reliability.
出处
《河南冶金》
2003年第3期21-23,共3页
Henan Metallurgy