CHARACTERIZATION OF NON-VOLATILE AQUEOUS CHLORINATION PRODUCTS OF HUMIC SUBSTANCES

CHARACTERIZATION OF NON-VOLATILE AQUEOUS CHLORINATION PRODUCTS OF HUMIC SUBSTANCES
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DOI:
10.1021/es00109a006
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发表时间:
1983-01-01
影响因子:
11.4
通讯作者:
UDEN, PC
UDEN, PC
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
MILLER, JW;UDEN, PC

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对腐殖质在水溶液氯化过程中产生的非挥发性氯有机物的形成进行了定性和定量的跟踪。研究了反应时间、NaOCl与C的摩尔比、pH值和腐植酸来源对氯仿、二氯乙酸、三氯乙酸和水合三氯乙醛的定量生成的影响。其他由黄腐酸氯化形成的可气相色谱的氯有机物是在低于这四种化合物的水平下产生的。还进行了氯选择性指纹研究,以跟踪17种主要氯化产品的形成。
The formation of nonvolatile chloroorganics produced during the aqueous chlorination of humicsubstances was followed qualitatively and quantitatively. The effects of reaction time, NaOCl to C ratio, pH, and source of humic material were studied with respect to the quantitative formation of chloroform, dichloroacetic acid, trichloroacetic acid, and chloral hydrate. Other gas-chromatographable chloroorganics formedfrom the chlorination of fulvic acid were produced at levels below these four compounds. Chlorine-selective fingerprint studies were also undertaken to follow the formation of 17 major chlorinated products.