《食品工业》2023年第44卷第2期329分析检测食品级不锈钢的合金元素含量、迁移量测定白晨1，叶垚鑫1，朱津亮2，司晓晶1，张路遥1，黄玥11.上海商学院食品系（上海200235）；2.上海天祥质量技术服务有限公司（上海200233）摘要依据GB/T20125—2006,抽样检测并对比分析保温杯、不锈钢筷、西餐刀等22个品类,合计90种市面在售的食品级不锈钢制品及20种镊子、剪刀等非食品接触钢材料的合金元素含量。针对其中30种成分不合格的食品级不锈钢样品,依照GB31604.49—2016进行迁移量测试。结果显示:食品级与非食品级不锈钢间在Cr、Cu、Mo、P、C的含量上存在显著性差异(P＜0.01),其中Cr元素含量差别较大,最高达到2倍;标明采用304,430和316三大类食品级不锈钢的制品均存在合金元素与钢号标准含量不符的现象,其中Cr元素含量不合格率最高为37%;被测样品的重金属迁移量均符合国家标准,由此引发的食品安全问题的可能性较低。关键词食品级不锈钢;合金元素含量;迁移量;电感耦合等离子体发射光谱(ICP-OES)DeterminationofAlloyGoldContentandMigrationinFoodGradeStainlessSteelBAIChen1,YEYaoxin1,ZHUJinliang2,SIXiaojing1,ZHANGLuyao1,HUANGYue11.DepartermentofFoodScience,ShanghaiBusinessSchool(Shanghai200235);2.IntertekTestingServicesShanghai,Ltd.,(Shanghai200233)AbstractAbout90kindsoffood-gradestainlesssteelproductssoldinthemarket,includingthermoscups,stainlesssteelchopsticksandwesternutensils,and20kindsofnon-food-gradealloyelementssuchastweezersandscissorsweresampledandcomparedaccordingtoGB/T20125—2006.Migrationtestswerecarriedoutfor30unqualifiedfood-gradestainlesssteelsamplesaccordingtoGB31604.49—2016.TheresultsindicatedthatthereweresignificantdifferencesinthecontentsofCr,Cu,Mo,PandCbetweenfoodgradestainlesssteelandnon-foodgradestainlesssteel(P＜0.01),withthemaximumdifferenceof2timesthecontent.Itwasdiscoveredthatthealloyelementsintheproductsmadeof304,430and316foodgradestainlesssteelswereinconsistentwiththesteelgradestandard,inwhichthehighestunqualifiedrateofCrwas37%.ThemigrationofheavymetalsinthetestedsamplesallmettheNationalStandards,whichledtolowpossibilityoffoodsafetyproblems.Keywordsfoodgradestainlesssteel;alloyingelementcontent;migrationamount;ICP-OES基金项...
