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| 石墨炉原子吸收法测定食用菌中镉和铅 |
| To Detect Cd and Pb in EdibleM ushrooms with Furnace Atomic Absorption Spectrometry |
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| DOI： |
| 中文关键词: 石墨炉原子吸收法 镉 铅 食用菌 |
| 英文关键词: Furnace atomicabsorptionspectrometry Cd Pb Edible mushrooms |
| 基金项目: |
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| 中文摘要: |
| 采用塞曼效应背景校正、最大功率升温和峰面积积分, 以钯和抗坏血酸为基体改进剂, 用恒温平台石墨炉原子吸收法测定食用菌中镉和铅, 检出限镉为5. 0×10 -13 g, 铅为4.0×10 - 12 g, 相对标准偏差在2.8% ~ 7.1% 之间, 加标回收率镉为92.0% ~ 104%, 铅为89.3% ~ 95. 0% 。 |
| 英文摘要: |
| To useZeeman effectbackground correction, maximum powerheating andpeak areaintegration,tousePdand ascorbicacidasmatrixmodified, to detectCdand Pbin ediblemushroomswithstabilizedtempera tureplatform furnace(STPF) atom icabsorptionspectrometry(AAS). The detectionlim itofCd was5.0×10 - 13 g,Pb was4.0×10 - 12 g, therelativestandard deviation wasbetween 2.8% and 7.1% , thesamplerecovery, Cd was92.0% ~ 104%, Pb was89.3% ~ 95.0%. |
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