Simultaneous estimation of metformin and pioglitazone by ultraviolet spectrophotometry.
This work deals with the simultaneous estimation of metformin hydrochloride and pioglitazone hydrochloride in a bilayered tablet dosage form, without prior separation by two techniques. The methods employed are derivative spectrophotometery and Q analysis.
Goswami L, Mukhopadhyay S, Durgapal S.
europepmc +6 more sources
Research on the determination of humic acid by ultraviolet spectrophotometry
To achieve accurate and convenient determination of humic acid content in aqueous solutions, an efficient and simple ultraviolet spectrophotometry method had been developed.
PAN Jingxuan +4 more
doaj +2 more sources
An Improved Algorithm for Measuring Nitrate Concentrations in Seawater Based on Deep-Ultraviolet Spectrophotometry: A Case Study of the Aoshan Bay Seawater and Western Pacific Seawater. [PDF]
Zhu X, Yu K, Zhu X, Su J, Wu C.
europepmc +3 more sources
Direct determination of palladium with furilacroleineoxime by ultraviolet spectrophotometry
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José Antonio Silva Coello
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Ultraviolet cometary spectrophotometry [PDF]
During the 13 shifts dedicated to observations of Comet Bradfield (including the two European shifts), five high dispersion exposures were obtained with the LWR camera, 27 low dispersion images with the LWR camera, and 36 low dispersion images with the ...
Ahearn, M. F.
core +2 more sources
Sequential injection analysis determination of sulphate in wastewaters by ultraviolet-spectrophotometry [PDF]
A sequential injection analysis system based on the formation of the cation FeSO4+ and the spectrophotometric measuring of the absorbance at 355 nm has been developed for the determination of sulphate in wastewaters.
Lapa Rui A. S. +2 more
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Ultraviolet Spectrophotometry of Lignin Revisited: Exploring Solvents with Low Harmfulness, Lignin Purity, Hansen Solubility Parameter, and Determination of Phenolic Hydroxyl Groups. [PDF]
Ruwoldt J, Tanase-Opedal M, Syverud K.
europepmc +3 more sources
Ultraviolet Spectrophotometry of VV Cephei [PDF]
The IUE archival spectra of VV Cephei were collected to investigate the eclipse nature in the ultraviolet. The temperature of the B star has been determined, as approximately 30000K, based on the flux distributions during egress.
Young Woon Kang
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Chemometric Calculation for Determination of Betamethasone and Neomycin Mixture in Cream Supply by Ultraviolet Spectrophotometry. [PDF]
Bachri M +3 more
europepmc +2 more sources
ObjectiveTo address the limitation of spectral overlap interference in the rapid detection of 3,4-dihydroxyphenylethanol (DHPET) within the 4-hydroxyphenethyl alcohol (HPET) catalytic system using traditional ultraviolet spectrophotometry.MethodsTo ...
ZHOU Junhan, ZHENG Jianxian, SUN Lu
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