石墨炉原子吸收光谱法测定葡萄酒中铅.pdfVIP

石墨炉原子吸收光谱法测定葡萄酒中铅 郭金英李丽刘松利 (河南科技大学☆船与生物。]二稷澎浣，洛阳471003) 摘要：研兜利用材骚炉朦孑吸收光姑法庭接测定翻镯钢j=；}|的瘦鼗锵的怏遮分桁方法。通进对蕊化潋度，背娥栅滁、 繁体改避剂簿三宵瓣的研究，确定y溽定葡豫溉巾藤会麟霜索镪的适宜豢翻*。用0，5％的硝酸谑节葡确骶。隳黢 =鬣铸作蕊体改进剂。艇毯获化温度700℃。斟{．}l；P谯扣除背凝，瓴气作保护气怒避舒妾【铡简溺中镪溯愆的透赢的 条件。在优化条件下灞定器燕金属的加标潮收率为91．3～108．d％。栩辩酥准编戆两1．87-一9．1捕。jj；Ij优化的萄 壤炉腺：F吸收检测方法对隅产瓤铡麴溉巾铴禽祭避行梭!；IiI。结粜寝嘲．所检测的级镶鞫溯中锄智缴均巍网澈蛾定 的标穗之内。 荚键谶}食艇科学技求罄张；举辩{豁鼹炉服于吸收光游法{2I：葡萄汹：铹 DeterminationofLeadin Wine FurnaceAtomic Grapeby Graphite AbsorptionSpectrometry GUO Li，LIU Jinying，LI Songli and ofScience floodBioengineeringDepartment．HenanUniversity Technolo静,，Luoyang471003) Abstract：A methodof trace inwinewerestudied rapidanalysis directlyplumbum(Pb)detenninafion furnaceatomic determinedthewineof bygraphite absorption F-AA辩．We heavy spectrophotometry(0 metals theash deductionandthematrixmodifier。Theresultsshowed throughtemperature，background was91．3一108．4％．relativestandarddeviationwas1．87．9。12 with0．5 nitric recovery percent percent acid of of for regulationwine，the temperature700℃gray，NH·H2po·deductionbackground，argongas the ofdeterminafion．WedeterminedthecontentofPbinfourwine protection byimprovedgraphite furnaceatomic result Pbcontentofwinehadnotover showed absorptionspectro