信阳师范学院学报(自然科学版)
信暘師範學院學報(自然科學版)
신양사범학원학보(자연과학판)
JOURNAL OF XINYANG NORMAL UNIVERSITY(NATURAL SCIENCE EDITION)
2015年
1期
117-120
,共4页
ICP-MS%海龙%微量元素%主成分分析%风险评估
ICP-MS%海龍%微量元素%主成分分析%風險評估
ICP-MS%해룡%미량원소%주성분분석%풍험평고
sea dragon%trace elements%principal component analysis
采用微波消解—电感耦合等离子质谱法( ICP-MS)测定了宝珈海龙、粗吻海龙、尖海龙、拟海龙和刁海龙样品中13种微量元素的含量,结合SPSS11.5对海龙中微量元素进行了主成分分析畅通过计算主成分元素的每周吸收量(EWI),并且与相应元素的最高允许吸收量(PTWI)进行比较,建立了一种新的风险评估方法.结果表明:Ni,Se,As,Cd,Cs,Co,Sr,Ba为海龙的主成分元素;此外,5种海龙样品还含有大量人体必需微量元素,其含量范围分别为Sr 88.22~353.04μg/g,Zn 21.85~40.75μg/g,Se 1.71~2.46μg/g.通过分析有害元素结果发现,部分海龙样品中Pb、Cd和Cr元素的含量超出了相应限量值,主成分综合评价表明尖海龙为最佳选择,5种海龙样品中Cd和Se元素的EWI值均低于PTWI值.
採用微波消解—電感耦閤等離子質譜法( ICP-MS)測定瞭寶珈海龍、粗吻海龍、尖海龍、擬海龍和刁海龍樣品中13種微量元素的含量,結閤SPSS11.5對海龍中微量元素進行瞭主成分分析暢通過計算主成分元素的每週吸收量(EWI),併且與相應元素的最高允許吸收量(PTWI)進行比較,建立瞭一種新的風險評估方法.結果錶明:Ni,Se,As,Cd,Cs,Co,Sr,Ba為海龍的主成分元素;此外,5種海龍樣品還含有大量人體必需微量元素,其含量範圍分彆為Sr 88.22~353.04μg/g,Zn 21.85~40.75μg/g,Se 1.71~2.46μg/g.通過分析有害元素結果髮現,部分海龍樣品中Pb、Cd和Cr元素的含量超齣瞭相應限量值,主成分綜閤評價錶明尖海龍為最佳選擇,5種海龍樣品中Cd和Se元素的EWI值均低于PTWI值.
채용미파소해—전감우합등리자질보법( ICP-MS)측정료보가해룡、조문해룡、첨해룡、의해룡화조해룡양품중13충미량원소적함량,결합SPSS11.5대해룡중미량원소진행료주성분분석창통과계산주성분원소적매주흡수량(EWI),병차여상응원소적최고윤허흡수량(PTWI)진행비교,건립료일충신적풍험평고방법.결과표명:Ni,Se,As,Cd,Cs,Co,Sr,Ba위해룡적주성분원소;차외,5충해룡양품환함유대량인체필수미량원소,기함량범위분별위Sr 88.22~353.04μg/g,Zn 21.85~40.75μg/g,Se 1.71~2.46μg/g.통과분석유해원소결과발현,부분해룡양품중Pb、Cd화Cr원소적함량초출료상응한량치,주성분종합평개표명첨해룡위최가선택,5충해룡양품중Cd화Se원소적EWI치균저우PTWI치.
13 trace elements in 5 kinds of sea dragon samples including microphis boaja , trachyrhamphus serratus , syngnathus acus linnaeus , syngnathoides biaculatus and solenognathhs hardwickii ,were determined by using microwave digestion and inductively coupled plasma mass spectrometry (ICP-MS).Principal component elements were analyzed in 5 kinds of sea dragon by using SPSS 11.5.A new risk assessment method was developed by comparing calculated values of EWI with their PTWI.The result showed that Ni , Se, As, Cd, Cs, Co, Sr, Ba were principal component el-ements in Sea Dragon .Besides, there were a large number of essential trace elements in 5 kinds of sea dragon ( Sr 88.216~353.04μg/g, Zn 21.85~40.75μg/g, Se 1.71~2.46 μg/g).In addition, the determination of toxic ele-ments such as Pb , Cd, Cr illustrated that their values partially beyond limited values .Besides, syngnathus acus Lin-naeus was the best choice by the principal component comprehensive evaluation .It can be concluded that the Se and Cd values of EWI were lower than that of PTWI in 5 kinds of sea dragon .