Spectrophotometric determination of uranium with arsenazo-III in perchloric acid
MH Khan, P Warwick, N Evans - Chemosphere, 2006 - Elsevier
A short, sensitive and reliable spectrophotometric method, which has advantages over all
known “wet chemistry” methods for uranium determination with regard to tolerance to …
known “wet chemistry” methods for uranium determination with regard to tolerance to …
An optical chemical sensor for thorium (IV) determination based on thorin
A selective method for the determination of thorium (IV) using an optical sensor is described.
The sensing membrane is prepared by immobilization of thorin–methyltrioctylammonium ion …
The sensing membrane is prepared by immobilization of thorin–methyltrioctylammonium ion …
Spectrophotometric determination of thorium with disodium salt of Arsenazo-III in perchloric acid
A rapid and sensitive spectrophotometric method has been developed for the determination
of thorium using 0.04% Arsenazo-III in a 2M perchloric acid solution. Absorbance was …
of thorium using 0.04% Arsenazo-III in a 2M perchloric acid solution. Absorbance was …
Utilization of cloud-point extraction for colorimetric determination of trace amounts of thorium (IV) in real samples
A cloud point extraction process using mixed micelles of the cationic surfactant CTAB and
non-ionic surfactant Triton X-100 to extract thorium (IV) from aqueous solutions was …
non-ionic surfactant Triton X-100 to extract thorium (IV) from aqueous solutions was …
[PDF][PDF] Simple and rapid spectrophotometric method for determination of uranium (VI) in low grade uranium ores using arsenazo (III)
H Golmohammadi, A Rashidi, SJ Safdari - 2012 - science.lpnu.ua
A simple and highly selective non-extractive spectrophotometric method is presented for the
rapid determination of uranium in low grade uranium ores using arsenazo (III). The method …
rapid determination of uranium in low grade uranium ores using arsenazo (III). The method …
Spectrophotometric determination of microamounts of thorium with thorin in the presence of cetylpyridinium chloride as surfactant in perchloric acid
A simple and more sensitive spectrophotometric method is developed for determination of
thorium using thorin as a chromogenic reagent in the presence of cetylpyridinium chloride …
thorium using thorin as a chromogenic reagent in the presence of cetylpyridinium chloride …
Bacillus sp. immobilized on Amberlite XAD-4 resin as a biosorbent for solid phase extraction of thorium prior to UV-vis spectrometry determination
A method has been developed for the preconcentration of Th prior to its determination by UV-
vis spectrophotometry after complexation with Arsenazo III. A column was packed with …
vis spectrophotometry after complexation with Arsenazo III. A column was packed with …
Development of an extractive spectrophotometric method for uranium using MWCNTs as solid phase and arsenazo (III) as chromophore
Multiwalled carbon nanotubes (MWCNTs) based sorptive extraction method for uranium (U)
from aqueous solutions has been developed. The proposed method was optimized by …
from aqueous solutions has been developed. The proposed method was optimized by …
An innovative environmentally-friendly optical sensor utilizing sol-gel method for thorium detection in environmental samples
RF Alshehri - Journal of Sol-Gel Science and Technology, 2024 - Springer
Introducing a cutting-edge technique, we have harnessed the exceptional properties of 1-(2-
arsonophenylazo) 2-naphthol (APAN) as a highly sensitive reagent, expertly immobilized …
arsonophenylazo) 2-naphthol (APAN) as a highly sensitive reagent, expertly immobilized …
Online thorium determination after preconcentration in a minicolumn having XAD-4 resin impregnated with N -benzoylphenylhydroxylamine by FI …
A very sensitive and selective flow injection on-line determination method of thorium (IV)
after preconcentration in a minicolumn having XAD-4 resin impregnated with N …
after preconcentration in a minicolumn having XAD-4 resin impregnated with N …