POLYMER-MEDIATED EXTRACTION OF PORPHIRINATO CHELATES FOR A SPECTROPHOTOMETRIC APPROACH TO SUB-PPT LEVEL DETECTION OF METAL IONS

POLYMER-MEDIATED EXTRACTION OF PORPHIRINATO CHELATES FOR A SPECTROPHOTOMETRIC APPROACH TO SUB-PPT LEVEL DETECTION OF METAL IONS
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聚合物介导的卟啉螯合物萃取,用于亚 PPT 水平金属离子检测的分光光度法

DOI:
10.1246/cl.1999.151
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发表时间:
1999
期刊:
影响因子:
1.6
通讯作者:
C. Matsubara
C. Matsubara
中科院分区:
化学4区
文献类型:
--
作者:
T. Saitoh;S. Ohkubo;C. Matsubara

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将带负电荷的铜(II)和锌(II)与5,10,15,20-四(4-羧基苯基)-21H,23H-卟啉的螯合物掺入由热响应性聚合物聚(N-异丙基丙烯酰胺)的水溶液形成的沉淀中。在适当种类和用量的季铵离子存在下,螯合物的回收率是定量的。采用高效液相色谱光度法测定水中微量锌,富集效率高,达到了亚ppt级。
Negatively charged copper(II) and zinc(II) chelates with 5,10,15,20-tetrakis(4-carboxyphenyl)-21H,23H-porphine were incorporated into the precipitates formed from the aqueous solutions of thermo-responsive polymer; poly(N-isopropylacrylamide). In the presence of an appropriate kind and amount of quaternary ammonium ion, the recovery of the chelate was quantitatively. Sub-ppt level zinc(II) in water by the photometric detection in HPLC was successfully achieved, because of the highly efficient concentration.
使用 HPLC/光热转换外差干涉法对硝基多环芳烃进行高灵敏度分析
DOI: --
发表时间: 2019
期刊:
影响因子: --
作者:
礒田 美紀;安倍 聡彦;原田 明
通讯作者: 原田 明