摘要
本文用普通的单高阻输入离子计和PH/S电极对,在酸性介质中测定炼油污水的硫离子,无需使用PH缓冲液。电极线性范围10^(-3)—5×10^(-8)mol/L,相对标准偏差<5％,加标回收率95—102％与电位滴定法测定结果一致。
An experiment for determination of the total number of sulfide ions in the waste water from petroleum refinery with a single high input impedance ion meter and with a pH glass electrode and a sulfide electrode in acid media is described. The electrode exhibits Nernstion response, relative standard deviation and recovery are 5×10^(-8)—10^(-3), <5% and 95-102% respectively. These results show good agreement as compared with assays for sulfide ion using electric potential titration method and titer method.
出处
《广州化工》
CAS
1992年第2期65-66,共2页
GuangZhou Chemical Industry
