Extraction-Spectrophotometric Determination of Micro amounts of Copper using 3, 5-bi-Br-PADAT-H202
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Conditions have been studied for the formaton and extraction of a complex of copper with 3,5-diBr-PADAT in the presence of peroxide at pH 3 .8. ε570= 8.6× 10. HTTA-bnzene extract the complex by 98-102%.Calibration curve for copper was linear withina a range 0.5~10ug/25m1.
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马自诚,容庆新,潘庆洪, 1983. 用3,5-diBr-PADAT-H_2O_2分光光度测定微量铜[J]. 岩石矿物学杂志, 2(1):61~62. , 1983. Extraction-Spectrophotometric Determination of Micro amounts of Copper using 3, 5-bi-Br-PADAT-H202[J]. Acta Petrologica et Mineralogica, 2(1): 61~62.