Results 21 to 30 of about 1,109 (174)
Anais da Academia Brasileira de Ciências, 2008 Four sensitive and rapid methods for the determination of stavudine (STV) in bulk drug and in dosage forms were developed and optimized. In titrimetry, aqueous solution of STV was treated with a known excess of bromate-bromide in HCl medium followed by ...
Kanakapura Basavaiah +3 more
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Degree of Chitosan Deacetylation: Potential of Experimental Equations Application [PDF]
Kemija u IndustrijiIn recent years, research has extensively explored the broad industrial potential of chitosan, with the degree of deacetylation being a pivotal chemical attribute that significantly influences its physical and biological properties crucial for its ...
Nadežda Seratlić +5 more
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Quantitative determination of pefloxacin mesylate by residual-base neutralisation method [PDF]
Journal of the Serbian Chemical Society, 2004 This work describes two procedures based on residual base determination for the quantification of pefloxacin mesylate (PFM) in bulk drug and in pharmaceutical products.
HULIKALCHANDRA SHEKAR PRAMEELA +1 more
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Química Nova, 2007 A new titrimetric method for the determination of phosphite in fertilizer samples, based on reaction of H3PO3 with standard iodine solution in neutral media, is proposed. Diluted samples containing ca.
Vanessa Pezza Franzini +1 more
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Ecosphere, Volume 17, Issue 6, June 2026.Abstract Although heavy rainfall and the input of unsenescent litter produced by tropical cyclones can profoundly affect the activities of soil nitrogen (N) cycling‐related enzymes in coastal mountain forest ecosystems in the short term, the immediate responses of these enzymes to typhoon disturbances and the underlying mechanism remain unknown.
Rui Cao +11 more
wiley +1 more source
Non-aqueous titrimetric assay of gabapentin in capsules using perchloric acid as titrant [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2011 Two simple, rapid, accurate and inexpensive methods using visual and potentiometric titrimetric techniques are described for the determination of gabapentin (GBP) in bulk drug as well as in capsules.
SAMEER A.M. ABDULRAHMAN +1 more
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Titrimetric methods for determining cationic surfactants
Журнал органічної та фармацевтичної хімії, 2022 Aim. To generalize and systematize information on titrimetric methods for determining quaternary ammonium compounds (QACs). Results and discussion.
Mykola Ye. Blazheyevskіy +3 more
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Analysis &Sensing, Volume 6, Issue 3, May 2026.Perchlorate is a potential environmental contaminant and ease of its detection is needed to support environmental monitoring. Current detection methods mainly involve chromatographic and mass spectrometric methods, which have limitations in terms of portability and cost.
Celine P. A. Otiob +5 more
wiley +1 more source
Methods of quantitative determination of Sparteine hydroiodine
Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2015 Currently, there are many different methods of quantitative determination of alkaloid Sparteine amounts such as gravimetry, acidimetry, argentometry (including the use of ion-selective electrode), iodometry, extraction photometry, colorimetry ...
M. E. Blazheyevskyy +3 more
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Drying Kinetics and Quality Assessment of Lemon Peel Using Convective and Infrared Methods
Journal of Food Process Engineering, Volume 49, Issue 3, March 2026.This study compares convective and infrared drying of lemon peel and highlights their effects on key bioactive compounds. Infrared drying better preserves polyphenols, flavonoids, and proteins, as confirmed by FTIR analysis, supporting its suitability for high‐quality dried lemon products.
Douja Sellami +4 more
wiley +1 more source