论文部分内容阅读
采用硝酸铅标准溶液,双硫腙指示剂,在PH值为4.1±0.2二氯乙酸铵缓冲溶液的条件下,在丙酮介质中用化学滴定法测试仲烷基磺酸盐SAS-60无机硫酸盐含量,测试结果标准偏差为0.014,平均回收率为100.0%～100.48%。
Secondary alkane sulfonate SAS-60 inorganic sulfate was tested by chemical titration in acetone medium using a standard solution of lead nitrate, dithizone indicator at a pH of 4.1 ± 0.2 ammonium bicarbonate buffer solution Content, the standard deviation of the test results was 0.014, the average recovery was 100.0% ~ 100.48%.