原子吸收光谱法测定食品中Ni、Pb和Cd的方法研究

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Research on the Method of Determining Ni, Pb, and Cd in Food by Atomic Absorption Spectroscopy

LI Jing (Weihai Huancui District Center for Disease Control and Prevention)

Abstract:Inorder tostudytheaplicationofatomicabsorptionspectroscopyinthedetectionofheavymetalelements (Ni, Pb,andCd)infood,thisarticletakespeanutsamplesastheresearchectandusesco-precipitationmethodcombinedwith flame atomic absorptionspectroscopy(AAS)to analyze theheavy metal elements inpeanuts.Itanalyzes the working curves, detection limits,andspikedrecoveryratesof standardsolutions with diferentconcentrations.Theresultsshowthatthecontent ofNi,Pb,andCdrespectivelyinpeautsamplesdoesnotexeedthelmitvalueofthenationalfoodaetystandard(GB276- 2022),verifying theapplicabilityofthis method in food safety testing.

Keywords: atomic absorption spectroscopy; peanut samples; Ni; Pd; Cd

0 引言

尤其是在花生等农产品中的应用。（剩余6600字）