福建分析测试
福建分析測試
복건분석측시
Fujian Analysis & Testing
2015年
5期
18-22
,共5页
李旭%韦靖%欧杨丽桃%赵丽%谢佳%魏得良
李旭%韋靖%歐楊麗桃%趙麗%謝佳%魏得良
리욱%위정%구양려도%조려%사가%위득량
先锋植物%重金属%火焰原子吸收法%石墨炉原子吸收法%氢化物发生器原子吸收法%超富集植物
先鋒植物%重金屬%火燄原子吸收法%石墨爐原子吸收法%氫化物髮生器原子吸收法%超富集植物
선봉식물%중금속%화염원자흡수법%석묵로원자흡수법%경화물발생기원자흡수법%초부집식물
Pioneer plant%Heavy metal%Flame atomic absorption method%Graphite furnace atomic absorption spectrometry%Atomic absorption hydride generator method%Hyperaccumulation plants
本文对郴州三个有色金属矿区尾砂坝三种同样的先锋植物芒、博落回、草中五种重金属的含量进行测定。采用湿法消解植物样品,电热板消解完全消解土壤样品,分别用火焰原子吸收法、石墨炉原子吸收法、氢化物发生器原子吸收法测量其重金属元素Cu、Zn、Pb、Cd、As含量。测量数据显示五种元素的线性关系良好,检出限Cu、Zn为0.0006μg/mL,Pb为0.0024ng/mL,Cd为0.0015ng/mL,As为0.0288ng/mL;精密度在0.7-7.5%之间;回收率在95.00-110.00%之间,都符合测量要求,样品测量数据发现博落回对五种金属元素富集效果较好,转移系数较高,芒对As有较好的富集效果,草对Zn、Cd有较好的富集效果。该方法准确度高、简便可行,可作为重金属超富集植物的筛选方法。
本文對郴州三箇有色金屬礦區尾砂壩三種同樣的先鋒植物芒、博落迴、草中五種重金屬的含量進行測定。採用濕法消解植物樣品,電熱闆消解完全消解土壤樣品,分彆用火燄原子吸收法、石墨爐原子吸收法、氫化物髮生器原子吸收法測量其重金屬元素Cu、Zn、Pb、Cd、As含量。測量數據顯示五種元素的線性關繫良好,檢齣限Cu、Zn為0.0006μg/mL,Pb為0.0024ng/mL,Cd為0.0015ng/mL,As為0.0288ng/mL;精密度在0.7-7.5%之間;迴收率在95.00-110.00%之間,都符閤測量要求,樣品測量數據髮現博落迴對五種金屬元素富集效果較好,轉移繫數較高,芒對As有較好的富集效果,草對Zn、Cd有較好的富集效果。該方法準確度高、簡便可行,可作為重金屬超富集植物的篩選方法。
본문대침주삼개유색금속광구미사패삼충동양적선봉식물망、박락회、초중오충중금속적함량진행측정。채용습법소해식물양품,전열판소해완전소해토양양품,분별용화염원자흡수법、석묵로원자흡수법、경화물발생기원자흡수법측량기중금속원소Cu、Zn、Pb、Cd、As함량。측량수거현시오충원소적선성관계량호,검출한Cu、Zn위0.0006μg/mL,Pb위0.0024ng/mL,Cd위0.0015ng/mL,As위0.0288ng/mL;정밀도재0.7-7.5%지간;회수솔재95.00-110.00%지간,도부합측량요구,양품측량수거발현박락회대오충금속원소부집효과교호,전이계수교고,망대As유교호적부집효과,초대Zn、Cd유교호적부집효과。해방법준학도고、간편가행,가작위중금속초부집식물적사선방법。
This study measures the contents of five heavy metals in three plants(plant awn,macleaya cordata,hispid his?pid arthraxon)living in three Non ferrous Metal Mining Areas in Chenzhou. The plant samples and soil samples are digest?ed by wet digestion method and electric heat plate digestion method. The contents of five heavy metals(Cu、Zn、Pb、Cd、As )are measured by the methods of flame atomic absorption,graphite furnace atomic absorption and hydride generator atomic absorption. The data show that the linear relation of these five elements is good. The limitation of measurements of Cu and Zn are 0.0006ug/ml,Pb 0.0024ug/ml,Cd 0.0015ug/ml,As 0.0028ug/ml;the precision is between 0.7-7.5%;the recovery rate is 95.00%-110.00%,which meets the requirement. The data of measurement reveals that macleaya cordata can produce a good enriching effect of these five elements and gains a high transfer coefficient. Plant awn makes a good en? riching effect on As,while hispid arthraxon on Zn and Cd. The method utilized in this study is simply but high accurate. It can be used to screen the heavy mental enriched plants.