Simultaneous determination of two active components of pharmaceutical preparations by sequential injection method using heteropoly complexes
Development of a new approach to the simultaneous determination of two reducing agents, which is based on the dependence of the rate of their reaction. Automation of the method using a typical device of the method of sequential injection analysis.
Подобные документы
The application of a new, simple and rapid spectrophotometric method to the determination of palladium in the intermetallides Yb40Pd38Sn22 and Yb40Pd40Ga20. Interaction of palladium(II) ions with 5-hydroxyimino-4-imino-1,3-thiazolidin-2-one at pH = 5.0.
статья, добавлен 23.02.2017The specificity of the hydrothermal method for the synthesis of calcium carbonate. Determination of the nanostructure in the present inorganic chemical compound of salt carbonic acid and calcium. The diffraction characteristics of the calcium salt.
статья, добавлен 30.07.2016The one-step procedure of simultaneous preparation of polyacrylonitrile-based carbon support and Fe-Pd bimetallic nanoparticles. The effect of synthesis conditions on the metal-carbon nanocomposite structural characteristics. The crystallite size.
статья, добавлен 27.08.2020- 4. Super deep penetration - new method of nanoreinforced composites producing based on polymer matrixes
Effect of the method of mixing isoprene rubber with nanofillers on the properties of nanocomposites. The thermostability of rubber based on isoprene elastomer with MMT. The physical-mechanical properties of rubber based on isoprene elastomer (SRI).
статья, добавлен 29.06.2017 Determination of aminoglycoside antibiotics (gentamicin, kanamycin, amikacin, neomycin) in food products by the method of polarization fluorescent immunoassay. Influence of the size of a fluorescent molecule on the degree of polarization of fluorescence.
статья, добавлен 10.05.2018Development of a method of mixing the hydroxides for the preparation of Lі[Ni0.5Co0.25Mn0.25]O2 from the respective products. Determination of average grain size, the measurement of impedance. Study of electrochemical properties using cyclic voltammetry.
статья, добавлен 21.12.2016Technique of chemical etching as a promising method for creating nanostructures of si. The development of photovoltaic converters and methods of production resoursesaving for silicon micro - and nanostructures based on isotropic and anisotropic etching.
статья, добавлен 30.07.2016The use of cation exchanger as a catalyst for the esterification reaction of diisopropyl ether absolutes - a method for creating waste-free technology for the production of isopropyl alcohol. The physical-chemical properties of received esterificates.
статья, добавлен 20.09.2018A cross-section of analytical techniques used for proteins and peptides. The Lowry Method for Protein Quantitation. Ultrafast Protein Determinations Using Microwave Enhancement. Flow Cytometric Quantitation of Cellular Proteins. The Nitric Acid Method.
книга, добавлен 09.04.2013SiO2 materials containing different magnetic fillers are obtained by the sol-gel method. It is studied the weakening of electromagnetic radiation in the frequency range 8–11.5 GHz by the materials obtained with the use of panoramic attenuation measurers.
статья, добавлен 02.04.2014Physical and chemical properties of the drugs. Reactions to chloride ions Cl- in a solution of AgNO3 in HNO3. Photocolorimetry with painted ferum hydroxamate. Reaction on heterocyclic atom of nitrogen. Using of methods of quantitative determination.
презентация, добавлен 24.11.2016In this study, the electroplating method used silver on copper ores, which is a coating method by forming a coating on a surface using silver salts as a source of silver and potassium nitrate as a catalyst source. Formation of a complex with a silver ion.
статья, добавлен 16.01.2021Control of the stability of calibration characteristic Algorithm of operational control of the error of determination of ammonium ions in drinking water. Photocolorimetric determination of ammonium ion content. Precautions when performing the analysis.
реферат, добавлен 19.06.2022The conditions of a reaction between pyrite medium-metamorphized coal and air-steam mixture in the kinetic area. Development of experimental-statistical mathematical models. Determination of the optimal factors for the oxidative desulfurization of coal.
статья, добавлен 23.02.2016A procedure of a sol-gel method for synthesis of new polysiloxane xerogels with propionic and butyric acid-type groups. Structure of some carboxylic groups. Scrutiny specific surface areas of polysiloxane xerogels and average pore diameter of samples.
статья, добавлен 18.03.2014Specific features of measuring the magnetic hysteresis of nano-sized multiferroic BiFeO3 powders synthesized by sol-gel method using citric acid at room temperature. Characterization of the main magnetic parameters of the obtained nanopowder samples.
статья, добавлен 12.05.2018Synthesis of a polymer by the reaction between maleic acid and 2-methylquinoxaline 1,4-dioxide. Using photocatalysis during synthesis. The reaction of the polymer with maleic acid molecules. Determination of the reaction mechanism and polymer structure.
статья, добавлен 03.11.2020Convenient method of synthesis of optically active oxamoylaminoacids. Compounds have significant hepatoprotective, antiinflammatory and immunodepressant activities with low toxicity. Influence of investigated sudstances on rarametrs of specific immunity.
статья, добавлен 15.02.2014Monomers conversion dependence on reaction mixture composition. Consideration of the dependence cooligomer of and its characteristics, average molecular weight. Study of liquid products of pyrolysis of hydrocarbons: styrene and dicyclopentadiene.
статья, добавлен 23.02.2016Features silver nanoparticles were produced using tannic acid solution as reducing and capping agent. Results of UV-Vis and XRD ensured the existence of silver nanoparticles in the final samples. Nanoparticles with different morphologies were detected.
статья, добавлен 30.07.2016- 21. Preparation and characterization of iron complexes based on polysaccharides from agaricus bisporus
The possibility of obtaining soluble iron complexes based on polysaccharides, Agaricus bisporus, maximum yields of samples. Nanoscale polycyclic complexes of ferric hydroxide and mushroom polysaccharides. The ability to use concentrated solutions.
статья, добавлен 27.07.2016 The role of the technique of volumetric titration with a working solution of sodium thiosulfate with a visual indication of the starch equivalence point during the analysis of the residual active chlorine. Evaluation of its advantages and disadvantages.
статья, добавлен 10.05.2018Determination of biological activity of newly synthesized physiologically active substances. Study of antimicrobial activity, inhibits the development of gram-positive and gram-negative microorganisms. The features of systematic studies of 4-ticinonline.
статья, добавлен 28.01.2017The possibility of the supramolecular nano structures formation on the basis of iron and nickel heteroligand complexes. Formation of different supramolecular nanostructures on the basis of nickel and iron heteroligand complexes as models for Ni(Fe)ARD.
статья, добавлен 30.08.2016The modification action of polyvinylpyrolidone on morphological peculiarities of magnesium hydrosilicate powder has been investigated. The most effective modification method is observed during joint precipitation of the system liquid components and PVP.
статья, добавлен 30.08.2016