[1]张旭,方文焕.血清中微量镉的离心光度法测定研究[J].华侨大学学报(自然科学版),1994,15(4):473-476.[doi:10.11830/ISSN.1000-5013.1994.04.0473]
 Zhang Xu,Fang Wenhan.Determinatin of Trace Cadmium in Serum by Centrifugation and Photometry[J].Journal of Huaqiao University(Natural Science),1994,15(4):473-476.[doi:10.11830/ISSN.1000-5013.1994.04.0473]
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血清中微量镉的离心光度法测定研究()
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《华侨大学学报(自然科学版)》[ISSN:1000-5013/CN:35-1079/N]

卷:
第15卷
期数:
1994年第4期
页码:
473-476
栏目:
出版日期:
1994-10-20

文章信息/Info

Title:
Determinatin of Trace Cadmium in Serum by Centrifugation and Photometry
作者:
张旭方文焕
华侨大学医院; 华侨大学应用化学系
Author(s):
Zhang Xu Fang Wenhan
关键词:
离心分离处理 分光光度法 血清 镉(Ⅱ) 溴化物 罗丹明B
Keywords:
centrifugation treatment photometry serum cadmium ions bromides rhodamine B
分类号:
R446.112
DOI:
10.11830/ISSN.1000-5013.1994.04.0473
摘要:
研究一种超高灵敏直接测定血清中微克级钢的新分析方法──离心光度法.在Cd-Br-RB体系中缔合物表观摩尔吸光系数ε560=5.06×108L·m-1·Cm-1,Cd2+的浓度在1.0×10-9~10.0×10-9mol·L-1范围服从Beer定律.本法用于分析测定人体血清样品中Cd2+,得其含量为1.87×10-11mol·L-1,变异系数为4.2%(n=5).
Abstract:
For determining serum cadmium of ppb level,a highly sensitve method of centrifugation and photometry is applied. In the cadmium-bromide-rhodamine B system, the associate shows a molar absorption coeffiient of 5. 06 ×108 L. mol-1. cm-1 at 560 nm. Beer’slaw

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更新日期/Last Update: 2014-03-22