Регуляторные исследования и экспертиза лекарственных средств, 2018 The article describes results of comparative evaluation of two pharmacopoeial methods used for quantitative determination of tannins in herbal drugs: the titrimetric method of the State Pharmacopoeia of the USSR (XIth edition) that is described in the ...
N. P. Antonova +4 more
doaj
Impact of process variables on the micromeritic and physicochemical properties of spray-dried microparticles, part II: physicochemical characterisation of spray-dried materials [PDF]
, 2012 YesObjectives In this work we investigated the residual organic solvent content and physicochemical properties of spray-dried chlorothiazide sodium (CTZNa) and potassium (CTZK) salts.
Al-Obaidi +28 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
doaj
Acid-base indicator properties of dyes from local plants I: dyes from Basella alba (Indian spinach) and Hibiscus sabdariffa (Zobo) [PDF]
, 2006 The acid-base indicator properties of aqueous and ethanol extracts from calyces of H. sabdariffa (Zobo) and a dye obtained from the ripe fruits of Basella alba (Indian spinach), two local plants, were investigated. A purple coloured dye obtained from the
Daworiye, LT +3 more
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Brze titrimetrijske i spektrofometrijske metode za određivanje salbutamol sulfata koristeći N-bromsukcinimid [PDF]
, 2007 One titrimetric and two spectrophotometric methods which are simple, sensitive and rapid are described for the assay of salbutamol sulphate (SBS) in bulk drug and in tablet dosage forms using N-bromosuccinimide (NBS) and two dyes, rhodamine-B and ...
Bankavadi Chikkaswamy Somashekar +2 more
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Acta Pharmaceutica Sinica B, 2015 This study compares the results of three certified methods, namely differential scanning calorimetry (DSC), the mass balance (MB) method and coulometric titrimetry (CT), in the purity assessment of ferulic acid certified reference material (CRM).
Dezhi Yang +4 more
doaj +1 more source
Utility of N-Bromosuccinimide for the Titrimetric and Spectrophotometric Determination of Famotidine in Pharmaceutical Formulations [PDF]
, 2011 Two titrimetric and two spectrophotometric methods are described for the assay of famotidine (FMT) in tablets using N-bromosuccinimide (NBS). The first titrimetric method is direct in which FMT is titrated directly with NBS in HCl medium using methyl ...
Basavaiah, K., Zenita, O.
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Química Nova, 2005 This paper presents a review of some published proposals for the analysis of sodium alendronate. The drug is an aminobisphosphonate compound used to inhibit the osteoclastic resorption of bone, and different methods were developed for its quantitative ...
Ana Ferreira Ribeiro +1 more
doaj +1 more source
, 2012 We report high-pressure low-temperature Raman studies of the Verwey transition in pure and Al-doped magnetite (Fe_3O_4). The low temperature phase of magnetite displays a number of additional Raman modes that serve as transition markers. These transition
A. Gavriliuk +8 more
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Analysing sulphate and chloride in mineral drinking water by flow injection analysis with a single acoustic wave sensor [PDF]
, 2018 Sulphate is a very hydrophilic anion, and, therefore, difficult to be selectively determined in aqueous solution with a coated sensor. Zinc(II) 2,3,9,10,16,17,23,24-Octatosylaminophthalocyanine was used for the first time as a sensitive coating ...
Farinha, Andreia S. F. +2 more
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