[1]方文焕,吴绍祖.镉超高灵敏显色反应的研究[J].华侨大学学报(自然科学版),1993,14(1):47-51.[doi:10.11830/ISSN.1000-5013.1993.01.0047]
　Fang Wenhuan,Wu Shaozu.A Study on High Sensitive Color Reaction of Cadmium[J].Journal of Huaqiao University(Natural Science),1993,14(1):47-51.[doi:10.11830/ISSN.1000-5013.1993.01.0047]
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镉超高灵敏显色反应的研究()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第14卷
期数:
1993年第1期
页码:
47-51
栏目:
出版日期:
1993-01-20

文章信息/Info

Title:
A Study on High Sensitive Color Reaction of Cadmium
作者:
方文焕; 吴绍祖
华侨大学应用化学系; 华侨大学应用化学系
Author(s):
Fang Wenhuan;  Wu Shaozu
关键词:
镉;  罗丹明6G;  碘化物;  阿拉伯胶
Keywords:
cadmium;  rhodamine 6G;  iodides;  gum acacia
DOI:
10.11830/ISSN.1000-5013.1993.01.0047
摘要:
本文研究了高灵敏测定镉的光度法,在阿拉伯胶存在下,在0.02—0.16mol/L硫酸介质中,镉与碘化物和罗丹明6G生成离子缔合物。该缔合物最大吸收波长为525mn,表观摩尔吸收系数ε525为1.6×106L·mo1-1·cm-1,镉浓度在0—2μg/25ml符合比耳定律。考察了共存离子的干扰影响,该法可用于测定水中痕量镉。
Abstract:
A high sensitive spectropphtometry of cadmium is studied in this paper. In the presence of gum acacia, cadmium reacts with iodide and rhodamine 6G to form an ion--asso- ciation complex in 0. 02--0. 16 mol/L H2SO4 medium. The ion-association complex shows

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更新日期/Last Update: 2014-03-22