中国调味品
中國調味品
중국조미품
CHINESE CONDIMENT
2015年
5期
97-99
,共3页
微波消解%电感耦合等离子体质谱法%香菜%微量元素
微波消解%電感耦閤等離子體質譜法%香菜%微量元素
미파소해%전감우합등리자체질보법%향채%미량원소
microwave digestion%ICP-MS%coriander%trace elements
目的:采用微波消解-电感耦合等离子体质谱法测定香菜根、茎、叶中 Fe,Mn,Zn,Mg,Ca,Cd,Cu, Pb 8种元素含量。方法:样品微波消解,选择 Ge,In,Bi,Sc 为内标元素,采用 ICM-MS 测定上述元素。结果:8种元素相关系数 r>0.9997,叶回收率98.2%~102.3%,根回收率98.1%~105.7%,茎回收率97.8%~103.7%,RSD 值均<3%。结论:该方法灵敏、可靠、稳定、快捷,可用于香菜的质量控制。
目的:採用微波消解-電感耦閤等離子體質譜法測定香菜根、莖、葉中 Fe,Mn,Zn,Mg,Ca,Cd,Cu, Pb 8種元素含量。方法:樣品微波消解,選擇 Ge,In,Bi,Sc 為內標元素,採用 ICM-MS 測定上述元素。結果:8種元素相關繫數 r>0.9997,葉迴收率98.2%~102.3%,根迴收率98.1%~105.7%,莖迴收率97.8%~103.7%,RSD 值均<3%。結論:該方法靈敏、可靠、穩定、快捷,可用于香菜的質量控製。
목적:채용미파소해-전감우합등리자체질보법측정향채근、경、협중 Fe,Mn,Zn,Mg,Ca,Cd,Cu, Pb 8충원소함량。방법:양품미파소해,선택 Ge,In,Bi,Sc 위내표원소,채용 ICM-MS 측정상술원소。결과:8충원소상관계수 r>0.9997,협회수솔98.2%~102.3%,근회수솔98.1%~105.7%,경회수솔97.8%~103.7%,RSD 치균<3%。결론:해방법령민、가고、은정、쾌첩,가용우향채적질량공제。
Objective:To establish a method for simultaneous analysis of Fe,Mn,Zn,Mg,Ca,Cd, Cu,Pb in coriander by microwave digestion and ICP-MS.Methods:With Ge,In,Bi,Sc as internal standard elements,the sample solution is analyzed by ICP-MS after microwave digestion,and the content of elements is calculated.Results:The correlation coefficient of calibration curves is over 0.9997,the recovery rates are 98.2% ~ 102.3% in leaf,98.1% ~ 105.7% in root and 97.8% ~103.7% in stem,and its RSDs are all lower than 3%.Conclusion:The method is sensitive,reliable, stable,rapid,which is feasible to quality management in coriander.