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HansJournalofFoodandNutritionScience食品与营养科学20176(3)181-187PublishedOnlineAugust2017inHans.http://www.hanspub.org/journal/hjfnshttps://doi.org/10.12677/hjfns.2017.63022DeterminationofTotalMercuryinFoodbyDirectMercuryAnalyzerLeiFengChaowenPu*HengLiRenpingZhangCenterforDiseaseControlandPreventionofFulingDistrictofChongqingChongqingReceived:Aug.6th2017;accepted:Aug.18th2017;published:Aug.28th2017AbstractObjective:Toestablishrapiddeterminationoftotalmercuryinsolidandliquidformsoffoodanelementalmercuryanalyzer(DMA-80)wasappliedin9kindsoffoodincludinggrainsmeatsed-iblefunguseggssaltsvegetablesmilkanddairyproductsmineralwatercannedfoodforinfantstheanalyticalresultswerecomparedtothecommonlyusednationalstandardmethodatomicflu-orescencespectroscopy.Methods:Samplesdidnotneedspecialpretreatmentandcanbeusedbydirectmercuryanalyzertodeterminethetotalmercury.Results:Accordingtotheexperimentalconditionsthetotalmercurywasdeterminedbydirectmercuryanalyzerthesampledecomposi-tiontimewas2minthedecompositiontemperatureofgrainandotherplantfoodswas650˚Candthedecompositiontemperatureofmeatwas850˚C.Alinearitywasobtainedovertherangeof0.0-20.0ngundertheoptimumconditionsy=−0.00702384+0.05199620x−0.00072712x2thecor-relationcoefficientwasgreaterthan0.999recoveryratewas91.0%-102.9%therelativestan-darddeviationofthedeterminationresultswas1.36%-2.87%andthedetectionlimitwas0.4μg/kg.Conclusions:Therewasnostatisticallysignificantdifferencecomparedwithatomicfluo-rescencespectrometryandthemethodisconvenientrapidaccu