scholarly journals SPECTROPHOTOMETRIC DETERMINATION OF HEXAVALENT CHROMIUM CONTENT IN COMMERCIAL CEMENT SAMPLES BY A SIMPLE AND RAPID PROCEDURE FOR THE EXTRACTION AND ANALYSIS OF CHROMIUM (VI)

2021 ◽  
Author(s):  
Krasimira A. Stancheva ◽  
Chand Pasha
Keyword(s):  
Hexavalent Chromium ◽  
Spectrophotometric Determination ◽  
Chromium Content ◽  
Rapid Procedure ◽  
Chromium Vi

scholarly journals Vortex-assisted liquid–liquid microextraction and indirect spectrophotometric determination of chromium(vi)

RSC Advances ◽  
2018 ◽  
Vol 8 (62) ◽  
pp. 35360-35366 ◽  
Author(s):  
Yaroslav Bazel ◽  
Tetiana Riabukhina
Keyword(s):  
Spectrophotometric Determination ◽  
Ion Association ◽  
Cationic Dye ◽  
Selective Method ◽  
Chromium Vi ◽  
Liquid Microextraction

A novel, simple, sensitive and selective method for the indirect spectrophotometric determination of Cr(vi) was developed on the basis of vortex-assisted liquid–liquid microextraction of an ion association pair between the I3– and cationic dye ABR.

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