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Methods validation for the determination of trihalomethanes in drinking water

✍ Scribed by Monica Culea; Onuc Cozar; Dumitru Ristoiu

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
100 KB
Volume
41
Category
Article
ISSN
1076-5174

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✦ Synopsis

Abstract

Trihalomethanes (THMs), chlorinated by‐products in drinking water, have been determined by comparing some analytical methods, based on the following techniques: liquid–liquid extraction‐gas chromatography‐mass spectrometry (LLE‐GC‐MS), headspace‐gas chromatography‐mass spectrometry (headspace‐GC‐MS) and purge and trap‐gas chromatography‐mass spectrometry (PT‐GC‐MS). The mass spectrometer was operated in the SIM mode. The quantitative methods were validated and compared to the ability to identify and to measure reliably the yields of the toxic compounds. Good validation parameters were obtained for each method. Copyright © 2006 John Wiley & Sons, Ltd.

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✍ Toyoaki Aoki; Kouji Kawakami 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 336 KB

A double-tube separation system with an Inner tube of nucroporous PTFE and an outer tube of PTFE IS proposed for the contmuous determmatlon of tnhalomethanes (THMs) m waters The THMs m the sample, after reactlon unth sodium hypochlonte solution at 98°C and reducmg the residual hypochlonte with sodiu