化学分析计量
化學分析計量
화학분석계량
CHEMICAL ANALYSIS AND METERAGE
2012年
6期
29-31
,共3页
王瓒%李敬%唐明%顾颖%李柏%李建林
王瓚%李敬%唐明%顧穎%李柏%李建林
왕찬%리경%당명%고영%리백%리건림
微波消解%ICP-AES%REACH%高关注物质
微波消解%ICP-AES%REACH%高關註物質
미파소해%ICP-AES%REACH%고관주물질
采用浓HNO3-H2O2溶液微波法消解样品,电感耦合等离子体原子发射光谱(ICP-AES)测定欧盟REACH 高度关注物质样品中Sn,As,Pb,Co,Cr元素的含量.样品中Sn,As,Pb,Co,Cr元素的含量在0.01～10 mg/L范围内与发射强度呈线性关系,线性相关系数大于0.9999,各元素的回收率在94.9％～104.8％之间,样品测定结果的相对标准偏差小于5％(n=10).Sn,As,Pb,Co,Cr元素的检出限分别为0.004,0.004,0.005,0.002,0.002 mg/L.该方法测定结果准确可靠,适用于欧盟REACH高关注物质的快速初筛.
採用濃HNO3-H2O2溶液微波法消解樣品,電感耦閤等離子體原子髮射光譜(ICP-AES)測定歐盟REACH 高度關註物質樣品中Sn,As,Pb,Co,Cr元素的含量.樣品中Sn,As,Pb,Co,Cr元素的含量在0.01～10 mg/L範圍內與髮射彊度呈線性關繫,線性相關繫數大于0.9999,各元素的迴收率在94.9％～104.8％之間,樣品測定結果的相對標準偏差小于5％(n=10).Sn,As,Pb,Co,Cr元素的檢齣限分彆為0.004,0.004,0.005,0.002,0.002 mg/L.該方法測定結果準確可靠,適用于歐盟REACH高關註物質的快速初篩.
채용농HNO3-H2O2용액미파법소해양품,전감우합등리자체원자발사광보(ICP-AES)측정구맹REACH 고도관주물질양품중Sn,As,Pb,Co,Cr원소적함량.양품중Sn,As,Pb,Co,Cr원소적함량재0.01～10 mg/L범위내여발사강도정선성관계,선성상관계수대우0.9999,각원소적회수솔재94.9％～104.8％지간,양품측정결과적상대표준편차소우5％(n=10).Sn,As,Pb,Co,Cr원소적검출한분별위0.004,0.004,0.005,0.002,0.002 mg/L.해방법측정결과준학가고,괄용우구맹REACH고관주물질적쾌속초사.
