气相色谱在沿海高碘地下水中的检测应用

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中图分类号：X832；P641.3 文献标志码：A 文章编号：2095-1329（2025）02-0106-04

Abstract：Inviewofthecurrentstandardanalysis methodofiodideingroundwaterisonlyasinglespectrophotometricmethod，and theraresomeshortomingssuchasashactiononditions，lowsesitivityandlowaccuracyitiseryimportanttotablshan fficientanduateeodofoidetstfoooingigodeoudaterioastaleas.Ihisdyyetote gaschromatograhicalsisetodofNationalfoodsfetyandrdtingmetodsfordrinkingnatualminelwater（GB2） thesampleconcentrationwasrealizedwhileteoperationstepsweresimplifedbyoptimizingthesamplepretreatmentsteps，thelinear concentrationangeofthestandardcurvewasexpanded，andaanalyticalmethodsuitableforthemeasurementofiodinecontentin groundwaterinareaswithhighiodinecontentwasestablishedTedatashowedthatthecorrelationcoeffcientofthestandardurveof iodidewasgreater than O.999 in the rangeof 0.0 to 1.0mg/L .Thelimit ofdetectionwas 0.0002mg/L 0 RSD<5.0% ，and the recoveries were 86.1%～114% .The method has the advantages ofhigh sensitivity，good repeatability，high accuracy and wide rangeof test concentrationhichanrduethematrixdiereceandeorausedbysampledilution，andissuitablefortealysisdtestof iodide in groundwater in high iodinearea.

Key words： water quality testing; groundwater; high iodine; gas chromatography

随着社会发展，人类对地下水的需求越来越多，人类活动对其的影响也越来越大，因此，对地下水水质的动态监测十分必要。（剩余7510字）