Investigation of the processes for determining the content of gold in products (on the example of the mining and processing plant "Nevsky" LLC "Druza")
Conducting a study of the activities of the assay and analytical laboratory to determine the gold content in gold-containing products. Atomic absorption, tetrometric and assay-gravimetric analysis methods for determining the gold content in products.
Подобные документы
Natural zeolite clinoptoline and its nanomodified forms have been used for modification of structures of the composite building materials. Characteristics of this zeolite have been studied by thermal analysis, IR spectroscopy, and adsorption methods.
автореферат, добавлен 02.04.2014Investigation of the influence intercalation ions of Ni2+ on the electrical properties of indium selenide crystals. The surface of InSe layered crystals. Investigation of magnetic properties of intercalated NiXInSe. The basic samples of InSe.
статья, добавлен 30.07.2016The chemical structure of the polymer latexes. The influence of surfactants on the drip solution. The mechanism of anionic with a negative charge in the screed, acting as air entrainment. Hydrogen bonding, water absorption and compressive strength.
статья, добавлен 22.02.2015The study of the composition and the structure of the original and modified lignocellulosic materials. Analysis of the dependence of sorption properties of lignocellulosic composites in relation to heavy metals from changes in the functional composition.
статья, добавлен 04.04.2014Study of kinetics of alkaline hydrolysis reaction of methyl esters of substituted 4,5-dimethoxy-N-phenyl-Anthranilic acids in binary solvent dioxane – water, analysis of the dependence lgkT from the nature and position of substituents in pantranco.
статья, добавлен 29.01.2016Characteristics of the methods of improving the electrical properties, the proper maintenance alloys for electrical purposes. Analysis of the influence of heating temperature on microhardness of the types foreign made Aluminium-Zirconium alloy wires.
статья, добавлен 25.12.2016Application of the SwissADME web tool for the analysis of pharmacokinetics and properties of medicines. Study of antimicrobial activity and toxicity of phenylquinazoline derivatives, Assessment of metabolism, determination of solubility of compounds.
статья, добавлен 03.09.2024Study of adsorption of cadmium (II) cations on the surface of macroporous amorphous silica with chemically modified b-cyclodextrin, its functional derivatives. The analysis of kinetic curves of sorption within the Lagergren model reaction pseudo order.
статья, добавлен 02.04.2014Analysis of spectral characteristics of a steady state (excitation and emission) spectra of photoluminescence of europium included in the single crystal and glassy lithium tetraborate and silica to distinguish oxidation, the site-symmetry and morphology.
статья, добавлен 02.04.2014The study of the diffusion of salt water in the soil of Lapidusoia and Verigin. Calculation of leaching rates. Initial and boundary conditions for salt distribution. Analysis of the influence of gravity, pressure and soil resistance on water filtration.
статья, добавлен 19.05.2018- 86. Growth of zinc oxide porous films via electrochemical anodization using glycerol based electrolyte
Formation of the porous structure of zinc oxide. Morphological properties of anodized films. Methods of diffraction of X-rays and scanning electron microscopy. Analysis of electrochemical anodizing of zinc oxide in electrolyte based on glycerol.
статья, добавлен 30.08.2016 Examined of the physical-chemical properties and thermal decomposition, as well as infrared spectrum of glass. Acquaintance with the results of the derivatographic analysis. Study of the coincidence of crystallization temperatures of glass decomposition.
статья, добавлен 26.02.2021- 88. Ti-Al alloy
A new process for developing titanium aluminides using chemical vapor synthesis was investigated in a laboratory experiment. Aluminum subchloride was used as the reducing agent in the reaction with TiCl4 and the source of aluminum for Ti-Al alloy.
лабораторная работа, добавлен 01.11.2019 Properties, combustion, electron energy levels. Elemental molecular forms. Covalent, organic compounds. Hydrides, protons, acids, isotopes. Discovery and use. Role in quantum theory. Natural occurrence, production: laboratory, industrial, thermochemical.
реферат, добавлен 13.11.2009The theoretical bases lactic acid adsorption at the mineral and carbon adsorbents. Influence of acidity on equilibrium and speed of absorption. Sorption facilities of zeolite to lactic acid in the static conditions. Adsorption capasity of adsorbents.
статья, добавлен 24.02.2016Study of kinetic parameters and the basic kinetic regularities of aldol condensation reaction of propionic acid with formaldehyde on B2O3-P2O5-WO3/SiO2 catalyst in the gas phase. Methods of obtaining polymer materials with valuable technical properties.
статья, добавлен 23.02.2016Platinum as a chemical element, six it naturally occurring isotopes. History of the discovery of this metal. Use as precious metal. Industrial applicability alloys containing platinum in catalytic converters, laboratory equipment, dentistry equipment.
презентация, добавлен 27.10.2014- 93. The experimental study of the effect of raleukin on development of dithizone diabetes in rabbits
Diabetes mellitus in the structure of endocrine diseases. The study of the effect of antioxidant properties of a biological product is a recombinant receptor antagonist Il-1 relacin and hypoglycemic action for major reaction non-enzymatic glycosylation.
статья, добавлен 29.01.2016 To study antimicrobial properties of the synthesized surfactants, the method of consequent dilution was used. The experiments were carried out in the test tubes contained a surfactant at different concentrations and 1 ml of the physiological solution.
статья, добавлен 03.03.2021Plastic additives as a wide range of chemicals used by resin manufacturers, compounds and manufacturers to improve the properties, processing and characteristics of polymers. Features of their chemical composition and conditions of effective use.
статья, добавлен 10.03.2019Здійснено пошук внутрішніх закономірностей та "прихованих даних" (data mining) у базі похідних 4-тіазолідинонів з протипухлинною дією. Дослідження реалізації активності сполук на основі аналізу головних компонентів та нейромережевого моделювання.
статья, добавлен 01.03.2014Short record of 7th international scientific-technical conference. Main topics of Conference’s program. Oil and gas processing, petrochemistry and coal chemistry, chemmotology of lubricants and technical liquids, ecological aspects of refineries.
статья, добавлен 30.08.2016Justification of the qualitative composition of excipients for encapsulation in the production of "Apised" capsules – a new original medicine, created on the basis of: powder of natural honey and medicinal plant raw materials (hop cones, lavender).
статья, добавлен 29.10.2016Identification and characterization of phenotypic characteristics. Phylogenetic analysis of 16S rRNA genes, results of general chemical analysis of Bestobe deposits. Effect of different arsenic concentrations on the oxidative capacity of isolated strains
статья, добавлен 22.02.2021A 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 09.04.2013