Investigation of sodium sesquicarbonate producing [PDF]
A method of sodium sesquicarbonate (Na2CO3 · NaHCO3 · 2H2O) producing by polythermal crystallization from the saturated solution at 100°C which contains NaCl, Na2CO3 and NaHCO3 at the molar ratio Na2CO3 : NaHCO3 = 2 : 1 is developed. It is shown that the
Alekseev, А. D. +3 more
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A dataset of microstructure features and physicochemical properties of soils of the solonetzic complex in 2022 (Caspian lowland). [PDF]
Plotnikova OO +4 more
europepmc +1 more source
Результаты сравнительных исследований варианта внутреннего стандарта MALDI/TOF/MS с другими методами количественного анализа резвератрола [PDF]
Рассмотрен вариант внутреннего стандарта MALDI/TOF/MS в сравнении с другими методами количественного анализа на примере субстанции ...
Васильев, Г. В. +2 more
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Lesne vrste centralnoafriške republike : vsebnost pepela in silikatov [PDF]
Izmerjena je bila vsebnost pepela in silicijevega dioksida za 28 tropskih afriških listavcev in ene enokaličnice (Dracaena mannii). Vsebnost pepela je močno variirala. Večina zabeleženih vrednosti se je gibala med 0,3-1,4 %.
Piškur, Mitja +2 more
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The determination of polymeric derivatives of guanidine in disinfectants by two-phase titration
The article considers the results of identifying the disinfectant water-soluble guanidines polymers by means of methods including spectrophotometry, infrared spectroscopy, fluorescence analysis, as well as the use of gold nanoparticles.
O. I. Kozoor +3 more
doaj
François-Antoine-Henri Descroizilles (1781-1825), demostrador real de química, boticario, inventor y químico industrial: padre del análisis volumétrico. Parte 1ª [PDF]
In this contribution the life and work of François-Antoine-Henry Descroizilles is reviewed. He is recognized as a multifaceted person, and as a skilled and wise chemist by eminent scientists of his time.
García Asuero, Agustín +2 more
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Spectrophotometric Assay of Phenylephrine Hydrochloride Using 4-Aminoantipyrine and Copper (II) [PDF]
A new spectrophotometric method is proposed for determination of phenylephrine hydrochloride. The method is based on the coupling of 4-aminoantipyrine (4-AAP) with phenylephrine hydrochloride (PEH) to give a new ligand that reacts with copper (II) in the
Theia'a N. Al-Sabha
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Acid–base titrimetric assay of hydroxyzine dihydrochloride in pharmaceutical samples [PDF]
Two simple titrimetric methods have been developed for the determination of hydroxyzine dihydrochloride (HDH) in pure form and in tablets. The principle of the methods are simple acid–base reactions in which the hydrochloride content of the drug was ...
Kanaka¬pura Basavaiah Vinay +2 more
doaj
Rheological and Physicochemical Analysis of Nonedible Oils Used for Biodiesel Production. [PDF]
Zakaria F, Lujaji F, Kivevele T.
europepmc +1 more source
Determination of Metoclopramide Hydrochloride in Pharmaceutical Formulations using N-Oxidation Caroate. [PDF]
Blazheyevskiy M +3 more
europepmc +1 more source

