化工技术与开发
化工技術與開髮
화공기술여개발
TECHNOLOGY & DVELOPMENT OF CHEMICAL INDUSTRY
2013年
5期
33-35
,共3页
黑木耳%微波消解%ICP-AES法%微量元素%测定
黑木耳%微波消解%ICP-AES法%微量元素%測定
흑목이%미파소해%ICP-AES법%미량원소%측정
auricularia auricula%microwave digestion%ICP-AES%trace element%determination
利用微波消解样品,并采用电感耦合等离子体原子发射光谱法(ICP-AES)测定了样品中锌、铜、铁等10种微量元素的含量.结果表明,样品溶解充分,消解效果好;各待测元素的工作曲线相关系数(r)在0.99990~0.99998之间,最小检出限为0.002μg·mL-1,加标回收率在93.00%~110.0%之间,相对标准偏差(RSD,n=6)在1.33%~4.17%之间,方法快速、准确,高效,可多元素同时测定.
利用微波消解樣品,併採用電感耦閤等離子體原子髮射光譜法(ICP-AES)測定瞭樣品中鋅、銅、鐵等10種微量元素的含量.結果錶明,樣品溶解充分,消解效果好;各待測元素的工作麯線相關繫數(r)在0.99990~0.99998之間,最小檢齣限為0.002μg·mL-1,加標迴收率在93.00%~110.0%之間,相對標準偏差(RSD,n=6)在1.33%~4.17%之間,方法快速、準確,高效,可多元素同時測定.
이용미파소해양품,병채용전감우합등리자체원자발사광보법(ICP-AES)측정료양품중자、동、철등10충미량원소적함량.결과표명,양품용해충분,소해효과호;각대측원소적공작곡선상관계수(r)재0.99990~0.99998지간,최소검출한위0.002μg·mL-1,가표회수솔재93.00%~110.0%지간,상대표준편차(RSD,n=6)재1.33%~4.17%지간,방법쾌속、준학,고효,가다원소동시측정.
10 trace elements (Zn,Cu,Fe,etc.) for the human body in auricularia auricula were determined by inductively coupled plasma atomic emission spectrometry (ICP-AES) with microwave digestion. The results showed that the samples were dissolved sufficiently,and the digestion effect was ideal. The correlation coefficients of the working curves for the determined elements were 0.99990~0.99998,the detection limit was 0.002μg/mL,the recovery of standard addition was 93.00%~110.0%,and the relative standard deviation (RSD,n=6) was 1.33%~4.17%. This method was rapid,accurate with high efficient,and it could determine multielements at the same time.
