scholarly journals Catalytic Decomposition of the Excess Reagent in the Spectrophotometric Determination of Copper(II) witho,o′-Dihydroxyazo Compounds

1977 ◽  
Vol 50 (12) ◽  
pp. 3206-3208 ◽  
Author(s):  
Masao Sugawara ◽  
Yuh’ichi Rokugawa ◽  
Tomihito Kambara
Keyword(s):  
Spectrophotometric Determination ◽  
Catalytic Decomposition ◽  
Excess Reagent ◽  
Determination Of Copper

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+.

Spectrophotometric determination of copper

1968 ◽  
Vol 40 ◽  
pp. 350-351 ◽  
Author(s):  
Fred C. Trusell ◽  
William F. Mckenzie
Keyword(s):  
Spectrophotometric Determination ◽  
Determination Of Copper
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