Cloud-Point Extraction and Selective Spectrophotometric Determination of Pb ( II ) and Cu ( II ) Using Synthesized N1, N2- Diphenylhydrazine-1, 2-Dicarbothioamide and an Anionic Surfactant

2013 ◽  
Vol 8 (1) ◽  
pp. 44-55 ◽  
Author(s):  
Morteza Bahram ◽  
Sayna Shahmoradi ◽  
Shahla Mozaffari
Keyword(s):  
Cloud Point ◽  
Spectrophotometric Determination ◽  
Anionic Surfactant ◽  
Cloud Point Extraction

Optimization of an analytical method for the spectrophotometric determination of copper in tea and water samples after ultrasonic assisted cloud point extraction using a benzothiazole fluorescein derivative complexing agent

RSC Advances ◽  
2015 ◽  
Vol 5 (80) ◽  
pp. 65321-65327 ◽  
Author(s):  
Chunlei Fan ◽  
Shengxu Luo ◽  
Rong Liu
Keyword(s):  
Cloud Point ◽  
Spectrophotometric Determination ◽  
Water Samples ◽  
Analytical Method ◽  
Cloud Point Extraction ◽  
Complexing Agent ◽  
Ultrasonic Assisted ◽  
Determination Of Copper

BTF is exists with spirolactone species with adding Cu2+, which leads to the absorbance intensity is decreased gradually and the decrease of the absorbance value is linear for Cu2+.

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