Highly sensitive determination of Cu(II) iron in ng/mL level in natural waters using Sulfochlorophenol S

Highly sensitive determination of Cu(II) iron in ng/mL level in natural waters using Sulfochlorophenol S
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使用磺氯酚 S 高灵敏度测定天然水中 ng/mL 水平的 Cu(II) 铁

DOI:
10.1007/s10661-015-4317-9
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发表时间:
2015-02
影响因子:
3
通讯作者:
Guoping Zhang
Guoping Zhang
中科院分区:
环境科学与生态学4区
文献类型:
--
作者:
Danhua Zhao;Guoping Zhang

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用光谱校正技术研究了在pH4.03时,Cu(Ⅱ)与氯磺酚S(SCPS)的高灵敏络合反应。该反应被用来确定Cu(II)的含量在各种来源的光吸收比变化的方法(LARVA)。Cu(II)的检测限仅为1.35 ng/mL,从而便于直接监测天然水。用该方法测定了黄浦江、长江和太湖中Cu(Ⅱ)的含量,回收率为94.5 ~ 102.6%。
The highly sensitive complexation of Cu(II) with Sulfochlorophenol S (SCPS) at pH 4.03 was characterized by the spectral correction technique. This reaction was used to determine the Cu(II) content in various sources by the light-absorption ratio variation approach (LARVA). The limit of detection of Cu(II) was only 1.35 ng/mL, thus facilitating the direct monitoring of natural water. The Cu(II) contents in the Huangpu River, Yangtze River, and Taihu Lake of China were determined with satisfactory results, and the recovery rates of Cu(II) using SCPS were between 94.5 and 102.6 %.
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