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微波消解ICP-MS法测定广西北部湾海鸭蛋中硒和锗的含量
  • ISSN号:1008-6145
  • 期刊名称:《化学分析计量》
  • 时间:0
  • 分类:O657.31[理学—分析化学;理学—化学]
  • 作者机构:[1]广西分析测试研究中心,南宁530022, [2]梧州市松桦化学品有限公司,广西梧州543001, [3]广西药用植物园,南宁530023
  • 相关基金:广西科技基础条件平台建设项目(0.07-105-002-04)
中文摘要:

以硝酸-过氧化氢(体积比为5:3)混合溶液为消解剂,微波消解法处理海鸭蛋样品,采用电感耦合等离子体质谱法测定样品溶液中的硒和锗的含量。选择适合的同位素元素,运用碰撞室技术(CCT)降低多原子离子对元素硒、锗的干扰,用钇作为在线内标。硒、锗工作曲线的线性范围均为0.0-100.0ng/mL,相关系数r=0.9996;硒、锗的检出限分别为1.1,0.15ng/mL,测定结果的相对标准偏差分别为4.78%,5.70%(n=6),加标回收率为92.2%-104.0%。用该法测定国家标准物质黄鱼(GBW08573)中硒的含量,测定值在标称值范围内。

英文摘要:

The sea duck egg sample was dissolved with mixed solution of HNO3-H202 ( volum ratio was 5 : 3 ) by using microwave digestion, and the Se, Ge in the sample solution were determined by ICP-MS. The appropriate isotopes were selected, the polyatomic ions causing interference were eliminated by collision cell technology(CCT), and Y was used as internal standard. The liner range of calibration curves for Se and Ge was 0.0-100.0 ng/mL with regression coefficient of 0.999 6. Detection limits of Se andGe were 1.1,0.15 ng/mL respectively, the relative standard deviations of detection results were 4.78%, 5.70%(n=6) respectively, and the recovery ranged from 92.2% to 104%. The method was used in determination of Se in national standard sample (yellow croak GBW08573), the result was in conformity with standard value.

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期刊信息
  • 《化学分析计量》
  • 中国科技核心期刊
  • 主管单位:
  • 主办单位:中国兵器工业第五三研究所(国防科工委化学计量一级站)
  • 主编:王金立
  • 地址:山东济南市天桥区无影山田庄东路3号
  • 邮编:250031
  • 邮箱:85878224@163.com
  • 电话:0531-85878132
  • 国际标准刊号:ISSN:1008-6145
  • 国内统一刊号:ISSN:37-1315/O6
  • 邮发代号:24-138
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:6647