DETERMINATION OF TRACE PLATINUM IN BRAIN TUMOR AND PLASMA BY GFAAS

doi:10.13406/j.cnki.cyxb.1991.01.019

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DETERMINATION OF TRACE PLATINUM IN BRAIN TUMOR AND PLASMA BY GFAAS

更新时间：2024-01-17

- DETERMINATION OF TRACE PLATINUM IN BRAIN TUMOR AND PLASMA BY GFAAS
- Journal of Chongqing Medical University Issue 1, Pages: 62-66(1991)
- 作者机构：
  
  1. 重庆医科大学中心实验室
  2. 重庆医科大学附一院神经外科
- 作者简介：
- 基金信息：
- DOI：10.13406/j.cnki.cyxb.1991.01.019
  CLC：
- Published：1991，
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[1]藤永真,陶毅,代广钧,邱宗荫,李明伟,唐文渊.石墨炉原子吸收法测定脑肿瘤组织和血浆中微量铂[J].重庆医科大学学报,1991(01):62-66.

DETERMINATION OF TRACE PLATINUM IN BRAIN TUMOR AND PLASMA BY GFAAS. [J]. Journal of Chongqing Medical University (1):62-66(1991)
[1]藤永真,陶毅,代广钧,邱宗荫,李明伟,唐文渊.石墨炉原子吸收法测定脑肿瘤组织和血浆中微量铂[J].重庆医科大学学报,1991(01):62-66. DOI： 10.13406/j.cnki.cyxb.1991.01.019.

DETERMINATION OF TRACE PLATINUM IN BRAIN TUMOR AND PLASMA BY GFAAS. [J]. Journal of Chongqing Medical University (1):62-66(1991) DOI： 10.13406/j.cnki.cyxb.1991.01.019.

摘要

本文改良了Denniston消解样品的方法

探讨了盐酸介质等对测定铂的影响以及分析予处理中的有关问题

建立了测定癌症病人脑肿瘤组织及血浆中微量铂的热解石墨炉原子吸收法.方法的绝对灵敏度为9.0×10

-11

g/1%吸收

检出限为4.2×10

-11

相对标准偏差为2.6—7.4%.标准加入回收率为92—101%

Abstract

A modified Denniston’s method for the determination of pt by graphite furnace atomic absorption spectrophotometric method （GFAAS） was discribed. Several factors of influence and pretreatment method in quantitative of pt was discussed. The trace platinum in brain tumor and plasma in cancered patients who teceived infusion of CDDP （IA 60mg

IV 150mg） was analyzed. The characteristic content of this method was 9.0×10

-11

g/1%A. Limit of detection was 4.2×10

-11

g. The RSD was 2.2--7.4%（n = 6）. The recovery in the range of 0.05-0.60ug/ml was 92-101%.This method was simple

rapid and accurate.

关键词

石墨炉原子吸收法顺氯氨铂

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