Results 1 to 10 of about 48,971 (241)

Simultaneous estimation of metformin and pioglitazone by ultraviolet spectrophotometry.

open access: greenIndian J Pharm Sci, 2010
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

open access: greenGongye shui chuli
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

Ultraviolet cometary spectrophotometry [PDF]

open access: green, 1983
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]

open access: goldJournal of the Brazilian Chemical Society, 2000
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
doaj   +2 more sources

Ultraviolet Spectrophotometry of VV Cephei [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1992
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
doaj   +1 more source

Rapid detection of 3,4-dihydroxyphenylethanol by ultraviolet spectrophotometry based on Fe3+ coordination modulation

open access: greenShipin yu jixie
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
doaj   +2 more sources

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