萃取法測(cè)定地表水中揮發(fā)酚的監(jiān)測(cè)分析要點(diǎn)研究

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文章編號(hào):1674-6139(2025)05-0135-04
中圖分類號(hào):X832文獻(xiàn)標(biāo)志碼:B
KeyPoints for Monitoring and Analysis of Volatile Phenols in Surface Water using Extraction Method
WangJialong1,LiuRui1,MaYukun2
(1.Microbiology Research Institute,Heilongjiang Academy of Sciences,Harbin 150010,China; 2.HeilongjiangProvincial Environmental MonitoringCenter,Harbin15oo9O,China)
Abstract:ThisarticleliststhemainanalyticalmethodsnddetectionlimitsfordeterminingvolatilephenolsathomeandabroadAt present,the4aminoantipineextractionspectrophotometricmetodisteainmtodfodetermigvolatilepenolsinsufacete whichisaclasicmethod.Thismethodhashghsensitivitygodprecisionandacuracy,buttherearealsomanyinfluencingfactors. Thisarticleconductsanin-depthanalysisofthinfuencingfactorsofthedeterminationofvolatilephenolsinsurfacewaterItstudies anddiscussesfromaspectssuchasreagentsandtheirpuriy,interferenceeffects,therderofreagentadition,theinfluenceof pH on colordevelopmentesults,ndthechangesofsmplesovertime.Itprovidesotherprecautiostatecttheeterinationresultsiex periments and the purification method of 4- aminoantipyrine reagent.This ensures the smooth process of the 4-aminoantipyrine extraction spectrophotometric experiment and guarantees the accuracy of the monitoring results.
Key words:4-aminoantipyrine;volatile phenols;extraction;influencing factors;interfering substances
前言
根據(jù)酚類是否能隨水蒸氣蒸餾而出分為揮發(fā)酚和不揮發(fā)酚,沸點(diǎn)在 230% 以下隨水蒸氣蒸餾出的為揮發(fā)酚[1]。(剩余3371字)