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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

Determination of food additive theaflavins by ultraviolet spectrophotometry

open access: yesZhongguo shipin weisheng zazhi, 2022
ObjectiveTo establish a method for the determination of food additive theaflavins by ultraviolet spectrophotometry.MethodsAfter dissolved in water, the sample solution was extracted with ethyl acetate and 2.5% sodium bicarbonate solution in turn.
ZHANG Haihong   +5 more
doaj   +1 more source

Newly Simple Quantitative Determination of Montelukast Sodium by Ultraviolet-Spectrophotometry

open access: yesUHD Journal of Science and Technology, 2022
Montelukast sodium is well known pharmaceutically for its action as leukotriene antagonist and reliving symptoms associated with asthma is available in the market as tablet, chewable tablet, and powder.
Dlivan Fattah Aziz, Yehia Ismail Khalil
doaj   +1 more source

Quantitative determination of dexamethasone sodium phosphate in bulk and pharmaceuticals at suitable pH values using the spectrophotometric method

open access: yesJournal of Advanced Pharmaceutical Technology & Research, 2021
Dexamethasone sodium phosphate (DSP) is an ester of dexamethasone with anti-inflammatory action. This study provides new insights to develop a simple, precise, and accurate spectrophotometric method for the quantitative determination of DSP in bulk and ...
Mohammed Fanokh Al-Owaidi   +2 more
doaj   +1 more source

Design and Application of a Nitrate Measurement System Based on a Narrowband Tunable Ultraviolet Light Source

open access: yesIEEE Access, 2021
The nitrate concentration in seawater is an important parameter for marine environment monitoring, which is of great significance for the analysis of seawater ecosystems.
Xingyue Zhu   +3 more
doaj   +1 more source

Simultaneous Determination for Lansoprazole and Simvastatin drugs via Ultraviolet Spectrophotometry

open access: yesTikrit Journal of Pure Science, 2023
A semi-novel, accurate, sensitive, simple, requiring no prior separation and economical procedures have been developed for the simultaneous analysis of binary mixture of Lansoprazole (Lanso) and Simvastatin (Semva). The first method is the Derivative of
Imad T. Hanoon
doaj   +1 more source

Intravital microscopy datasets examining key nephron segments of transplanted decellularized kidneys

open access: yesScientific Data, 2022
Measurement(s) DNA • tissue fluorescence Technology Type(s) ultraviolet-visible spectrophotometry • intravital microscopy Sample Characteristic - Organism mouse/rat NG108-15 Sample Characteristic - Environment laboratory environment Sample Characteristic
Peter R. Corridon
doaj   +1 more source

Research on the Detection of Hainanmycin by UV Spectrophotometry

open access: yesLiang you shipin ke-ji, 2023
Hainanmycin sodium is a new type of monobasic acid polyether antibiotics, which has been widely used in chicken, cattle and sheep and other animal feeds, and it is mainly used to prevent coccidiosis and regulate growth metabolism.
CHI Ke-xin, YAO Wei-rong
doaj   +1 more source

Diagnosis of Smith-Lemli-Opitz syndrome by ultraviolet spectrophotometry

open access: yesBrazilian Journal of Medical and Biological Research, 2003
Smith-Lemli-Opitz syndrome (SLOS) is an autosomal recessive disorder due to an inborn error of cholesterol metabolism, characterized by congenital malformations, dysmorphism of multiple organs, mental retardation and delayed neuropsychomotor development ...
F.B. Scalco   +4 more
doaj   +1 more source

Direct determination of palladium with furilacroleineoxime by ultraviolet spectrophotometry

open access: yesEclética Química, 2018
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José Antonio Silva Coello
doaj   +1 more source

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