Spectrophotometric Determination of Gadolinium with 4-(2-Pyridylazo)resorcinol
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Spectrophotometric Determination of 4-Hydroxy-2-mercapto-6-methylpyrimidine Based on Aggregation of Colloidal Gold Nanoparticles
We report herein the development of a highly sensitive colorimetric method for the detection of 4-hydroxy-2-mercapto-6-methylpyrimidine (MTU) which acts as an anti-thyroid drug utilizing citrate capped gold nanoparticles (Au-NPs). This thiol-containing molecule exhibits intriguing affinity with Au-NPs. The reactivity involves the displacement of the citrate shell by the thiolate shell followed ...
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A simple and sensitive extractive- spectrophotometric method for thedeterrnination of trace amounts of vanadium(V) is reported. The method is based on the quantitative extraction of the anion complex of V(V) with 4-(2-pyridy1azo)-resorcinol with tetrabutylammonium perchlorate into chloroform, followed by spectrophotometric measurements at 554 nm. Beer's law is obeyed over the concentration ...
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New, simple and sensitive spectrophotometric methods for the determination of rosiglitazone and pioglitazone have been developed. The method is based on the oxidation of 2, 4-dinitrophenyl hydrazine (2, 4DNP) and coupling of the oxidized product with rosiglitazone and pioglitazone to give intensely colored chromogen. Rosiglitazone and pioglitazone showed maximum absorbance at 421 nm and 480 nm ...
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A spectrophotometric method employing 2-hydroxybenzaldiminoglycine (HBIG) is proposed for the determination of chromium(III). The results of the determinations are compared with the standard diphenyl carbazide method. The presently developed method is direct, simple, rapid, selective, sensitive and precise. DOI: 10.1134/S106193480601@@@@
متن کاملspectrophotometric determination of 4-hydroxy-2-mercapto-6-methylpyrimidine based on aggregation of colloidal gold nanoparticles
we report herein the development of a highly sensitive colorimetric method for the detection of 4-hydroxy-2-mercapto-6-methylpyrimidine (mtu) which acts as an anti-thyroid drug utilizing citrate capped gold nanoparticles (au-nps). this thiol-containing molecule exhibits intriguing affinity with au-nps. the reactivity involves the displacement of the citrate shell by the thiolate shell followed ...
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ژورنال
عنوان ژورنال: Nippon kagaku zassi
سال: 1971
ISSN: 0369-5387,2185-0917
DOI: 10.1246/nikkashi1948.92.849