摘要
本文介绍了测定饮用水中吡啶的方法——直接比色法和萃取比色法。对试验条件进行了优化，提出了最佳试剂加入方式。本法精密准确，标准７～８次测定的相对标准差为０．５％～４．３％，水样的相对标准差为１．４％～１．８％，平均加标回收率为９９．４％～１００．５％。用本法测定了自来水、井水等，均未检出吡啶。
A spectrometric method for the determination of pyridine in drinking water is presented. All experimental parameters were optimised and the best procedure was established. The relative standard deviation of 7￣8 parallel determinations was 0 5%～4 3%. The proposed method has been applied to the determination of pyridine in drinking water with the recovery rate of 99 4%～100 5%,and with the detection limit of 0 017mg/L.
出处
《现代预防医学》
CAS
1996年第3期155-157,共3页
Modern Preventive Medicine
关键词
水分析
光度法
吡啶
饮用水
Water analysis Spectormetry Pyridine
