Educational-scientific and expert laboratory of chemical and biological technologies
The educational-scientific and expert laboratory of chemical and biological technologies has been operating since 2011 and consists of laboratories of different directions. The laboratory is equipped with scientific-research equipment and devices. The staff of the laboratory is composed of highly qualified scientific staff and young promising specialists - graduate students of the faculty.
The material and technical base of the laboratory practically perfectly enables the laboratory work provided by the training programs to be performed at a high level. The process of conducting laboratory work is provided by appropriate methodical instructions.
The laboratory also has a special auditorium equipped with technical facilities, where it is possible to demonstrate modern technological processes and tele-versions of laboratory work.
The equipment in the laboratory allows us to carry out high-tech scientific research and expert work.
The laboratory base is actively used in the process of performing scientific research works. In the past period, dozens of experimental parts of doctoral theses have been completed using laboratory equipment, numerous scientific articles have been published in various local and international journals, including the materials of international conferences.
The laboratory serves 6 departments of the Faculty of Chemical Technology and Metallurgy:
There is a thermal technical laboratory in the department (II building, I floor, 107-2); Mass production and hyperthermic research laboratory (II building, I floor, 107-3); X-ray structural analysis, dilatometric and thermophysical properties determination laboratory (II building, I floor, 107-4); Laboratory for determining the specific surface of microfibres and powders (II building, I floor, 107-6); Laboratory of optical-microscopic analysis and volume resistivity determination (II building, 1st floor, 107-4). The laboratory conducts: properties of composite materials: mechanical strength in compression and tension;
thermal stability; chemical and radiation resistance; fire resistance; wear resistance; Thermophysical properties: heat capacity, thermal expansion and thermal conductivity. Technological methods and equipment for the production of composite materials. Receiving and sorting of initial raw materials. Raw material purification methods; Selection of necessary equipment for sorting and cleaning; Technological schemes of enrichment processes for each starting raw material. Grinding of raw materials. Selection of variance of components. crushing and grinding; degree of fineness and its change during crushing and grinding; methods of detailing; selection of glass composition, and glass-forming oxides; Effect of different substances on glass properties. Oxide systems used for the production of minaceramics; Obtaining polymer composites by casting methods based on epoxy resin and mineral fillers (andesite, basalt, graphite); Preparation of polymer composites based on silicone rubbers, technical carbon and ferromagnetic particles (iron, nickel, cobalt) in order to obtain magnetic elastic materials by rolling method. Obtaining composites based on vegetable raw materials (wood sawdust) and ethyl silicate by pressing method for obtaining wood composites. Testing of obtained polymer composites on thermo-oxidative destruction in a thermostat and its analysis. Testing of mechanical properties. Determination of specific surface of powders. determination of water absorption, bulk density and open and total porosity; Obtaining nitride-containing refractory composite by nitriding process; Conducting X-ray structural analysis of baked ready samples.
The department operates: special cements laboratory (II building, II floor, 203); Laboratory of thermal processes and silicate technology installations (II building, II floor, 204); Laboratory of physical chemistry of silicates (II building, II floor, 208); Research laboratory of glass and vitreous technical and medical materials (II building, II floor, 210); technical and decorative enamels and coatings laboratory-auditorium (II building, II floor, 211); Traditional and special muzzle materials laboratory-auditorium (II building, 212); Ceramics and fire products laboratory-auditorium (II building, II floor, 213). The laboratories carry out: preparation of window glass samples. Preparation of window glass for determination of physico-chemical properties: cutting, scraping (determining dimensions), crushing and dividing into fractions by sieve analysis, washing, drying, storage, etc.; Preparation of carrier glass (bottle, can) samples. To determine the properties of a glass bottle or jar: cutting, grinding (by determining the dimensions), crushing and dividing into fractions by sieve analysis, washing, drying, storage of the glass products; Enamel case report and case receiving. Selection of raw materials depending on the composition of the enamel and conducting a smelter charge report according to the recipe of the enamel smelter charge, preparation of the smelter charge components by loosening them with a sieve, weighing them and obtaining a uniform smelter charge (by stirring in a porcelain tile) and storing them in an airtight container; Getting enamel. Synthesis of enamel from the prepared crucible in an electrically heated furnace (silicite furnace, corundum or porcelain pot) at 1300-13500C and obtaining enamel frit by pouring it on ice water. drying the frit in an electric dryer; Glazing process evaluation. Checking the coating quality of the glazed sample by determining the thickness, gloss and surface chemical stability of the vitreous coating (express-drop method); Obtaining construction plaster. Obtaining calcium sulfate hemihydrate (building plaster) based on natural gypsum. Preparation of raw materials: crushing and low-temperature roasting for different durations; Obtaining high-temperature baking gypsum (anhydrite). Plaster baking at 800-9000C for different durations, cooling, grinding with a catalyst, determination of the normal thickness of the dough, and the setting time; Obtaining cement clinker. Calculation of the composition of the cement clinker raw material mixture based on clays and calcareous materials of a certain composition, determining its expected saturation coefficient; Receiving cement. Crushing and grinding of the obtained clinker in a ball mill together with gypsum to obtain cement of different composition. Conducting sieve analysis of received cements and determination of grinding purity; Determination of mechanical strength of cement test samples. Determination of tensile strength (hydraulic pressure) and bending (lever pressure) for cement samples hardened (delayed) in air and water for 7 days. evaluation of the influence of drying conditions on mechanical properties; Determination of cement expansion capacity. Determining the ability to expand the dried (hardened) samples formed with different ratios of water-cement for 7 days. Determining the effect of water-cement ratio on the degree of elongation and expansion of samples with an indicator.
Laboratory of household chemical products (II building, III floor, 309), Inorganic substances technology laboratory (II building, III floor, 310), food products examination laboratory (II building, III floor, 311) are functioning at the direction. The laboratories carry out: methodology of average sampling of products. In plant products, the main, secondary and laboratory sampling and preparation for analysis, which takes place from different points, further produces their mixing, which is different for each food product, preparation of samples for analysis. Determination of "raw" cellularity in products of plant origin is carried out by the Genberg-Stoman method. This determines the amount of cellulose, the main component of the cell wall, and a number of compounds known as encrusting substances in products of plant origin. Determination of proteins in products of plant origin by the Barstein method. Determination of titratable acidity in fruits and vegetables by titration method. The mentioned method determines the organic acids contained in fruits and vegetables both in the free state and in the form of acidic and neutral salts. Determination of fats of vegetable origin in products Soxhlet method Determination of fats of vegetable origin is carried out according to the following principle: the product is treated with an organic solvent, which expels fatty acids, and the amount of raw fat in food products is determined by the difference method. determination of density of ammonia water and determination of concentration; preparation of solutions and equipment for determination of ammonia; ammonia water analysis; determination of bound and volatile ammonia in ammoniacal water by the transfer method; contact oxidation of ammonia; study of the influence of volume and pressure on the process of contact oxidation; contact oxidation of ammonia; study of the influence of temperature on the process of contact oxidation; Kies analysis; determination of iron in kies by ammonia method; sample preparation for sulfur determination; Contact oxidation of sulfuric anhydride. Examination of ammonium nitrate according to standard 2-85: determination of nitrogen by the formaldehyde method; determination of the pH of a 10% solution; determination of humidity by drying method; Determination of granulometric composition and turbidity. Examination of copper according to the requirements of standard 21421-67: determination of copper by iodometric method; determination of free acidity; determination of insoluble balance; Examination of sodium bicarbonate; Determination of heating loss, determination of Na2CO3, determination of substances insoluble in water; determination of moisture and sulfate ions; Determination of oleic acid number and ether number according to standard 5478-2014; Determination of water color by photocolorimetric method. Preparation of standard solution and construction of standard curve. Determining the degree of color of natural, drinking water by comparison with a standard curve. Determination of water hardness by complexonometric method. Determination of hydrogen ion concentration - pH in water. Chemical analysis of cleaning agents for household utensils and sanitary equipment. study of the chemical and ecological characteristics of cleaning agents obtained at the previous laboratory; Taking detergent. Discussing the laboratory method of making synthetic detergents or soaps for various purposes and their acceptance accordingly.
The department operates: Laboratory of Electrochemical Protection Mechanisms (II Building, IV Floor, 408), Nanoelectrochemistry Laboratory (II Building, IV Floor, 413), Metal Corrosion Laboratory (II Building, IV Floor, 414).
The laboratories carry out: research of electrochemical processes: electrochemical analysis, recording of partial and potentiostatic curves in potentiostatic and galvanostatic modes. determination of particle size and distribution in the volume, as well as determination of zeta potential; Electrochemical leaching of manganese oxide ores using Fe2+ - Fe3+ mediator redox - system cathode - carbon wool. Carrying out the process of electrochemical leaching of manganese oxide ores. suspension filtration. Determining the quality of manganese leaching. Calculation of output of indirect electrochemical extraction of manganese with current. suspension filtration. Determining the quality of manganese leaching. Calculation of output of indirect electrochemical extraction of manganese with current. Experimental confirmation of the advantage of using carbon wool as a cathode compared to a flat stainless steel plate in terms of increasing the output with electrochemical recovery current and reducing the cost of electrical energy. suspension filtration. Determining the quality of manganese leaching. Calculation of output of indirect electrochemical extraction of manganese with current, using a stainless steel cathode electrochemical reactor; Assembling the electrolysis scheme. Manganese ore sample preparation. Carrying out the process of electrochemical leaching of manganese oxide ores. suspension filtration. Determining the quality of manganese leaching. Calculation of output of indirect electrochemical extraction of manganese with current. Experimental confirmation of the advantage of using carbon cache as a cathode compared to a flat stainless steel plate in terms of increasing the output with electrochemical recovery current and reducing the cost of electrical energy.
The direction unites organic substance technology laboratories (II building, V floor, 522, 524-526); Oil and gas processing technology laboratory (II building, V floor, 523).
The following laboratory works are carried out in the laboratories: obtaining higher fatty alcohols based on the oxidation of n-paraffins. Obtaining primary fatty alcohols during oxidation of paraffins with air in the presence of potassium permanganate. Alkylarylsulfonate intake. Alkylarylsulfonates - salts of alkylated aromatic sulfonic acids. Solution aromatic compounds - benzene, naphthalene, diphenyl and others. Alkylation of aromatic hydrocarbons by electrophilic substitution mechanism (via N-complex). Alkylating compounds - alkyl halides, olefins and alcohols; catalysts; Reception of cationic compounds. Chloromethylation of Alkylbenzene. The overall reaction equation. Condensation of formicaldehyde with alkylbenzene by electrophilic substitution reaction, catalysts protonic acids (HCl, H2SO4). Determination of stability of emulsion creams, determination of conditional viscosity. Determination of water volatile substances in emulsions. Determination of chlorine ion in shampoos. Sample preparation for testing, preparation of methyl red solution, titration with silver nitrate. Mass fraction report for chlorides. Making soap by ingesting fats; Rectification of oil (ml) under atmospheric pressure on a semi-industrial laboratory unit at АРН-2. start - Obtaining a boiling light gasoil fraction in the temperature range of 2900 C. Gasoil fraction parameters: Yield (mm), density, g/cm3, refraction, viscosity, fractional composition, etc. Determination of the required parameter. Separation of the mixture of aromatic hydrocarbons from the gasoline fraction by the adsorption-chromatographic method on activated silica gel. Detection of aromatic hydrocarbons by formalit reaction. Vacuum gasoil - vacuum rectification of broad oil fraction into narrow fractions: obtaining light, medium and heavy oil fractions. Determination of their viscosities and explosive temperatures, determination of outputs.
The department operates a biochemical laboratory (X building, III floor, 307) and a microbiological laboratory (X building, III floor, 309). Laboratory works are carried out in the direction: cultivation of microbes, sedimentation and separation of microbial biomass from cultural liquid (filtrate); Purification and concentration of the target product (antibiotic, hormone, antigen, protein), standardization, control of activity, physical and chemical and medical-biological parameters; Genes and genome, molecule of life, chromosome structure, DNA replication, RNA and protein synthesis; DNA "banks", creating collections of cloned genes. purpose of cloning process in modern biotechnology; Protein engineering, construction, protein purification methods, protein conservation, protein sequencing, protein X-ray structural analysis; Animal biotechnology, animal research, animal model organisms, bioengineered mosquitoes against malaria; Bioremediation and its importance, chemical substances in the environment, microbes involved in metabolism, soil cleaning, water bioremediation; Biotechnology and microbiology in laboratory conditions under the influence of what physical factors are possible to obtain new microbes and strains.
The directions of the department are: general, inorganic and analytical chemistry, physical and colloidal chemistry, organic chemistry.
The department combines physical chemistry (II building, IV floor, 402-403), colloid chemistry (II building, IV floor, 405), qualitative analysis (II building, V floor, 511), quantitative analysis (II building, V floor, 512-513), physical-chemical analysis (II building, V floor, 510,514) and organic synthesis laboratories (II building, III floor, 303-306). The department successfully utilizes the resources transferred to it from the University of San Diego. The following works are carried out in the laboratories: Hydrogen intake, inhaling gas intake, hydrogen peroxide as oxidizing agent, hydrogen peroxide as reducing agent; intake of sodium alkali; Flame coloration of alkali metals; taking sodium bicarbonate; Getting magnesium oxide, getting magnesium hydroxide, getting magnesium double salt, water hardness and ways to avoid it, flame coloring with calcium, strontium and barium salts. Preparation of boric acid, detection of boric acid, hydrolysis of sodium tetraborate, boron glass, solubility of aluminum in acids, preparation of aluminum hydroxide and amphotericity. Obtaining and properties of copper (II) hydroxide of the periodic system, interaction of copper with acids, extraction of copper with zinc from its aqueous salt solution, extraction of silver with copper from its aqueous salt solution, obtaining copper ammonia complex, silver mirror reaction, obtaining silver complex salts. Obtaining d-elements of groups I-VIII of the periodic system, properties of salts, influence of the environment on the properties of potassium permanganate as an oxidizing agent, oxidation of hydrogen peroxide with potassium permanganate. Acceptance of colloidal systems. Classification of phase and dispersion medium according to aggregate state, particle size and kinetic properties. Preparation of alcohol solution of sulfur and obtaining hydrosols of the mentioned substances by changing the dispersion environment. Obtaining a rosin strip by the method of changing the solvent. Preparation of alcoholic solution of rosin and obtaining hydrosols of the mentioned substances by changing the dispersion environment. Determination of viscosity of gelatin solution. Determination of dependence on concentration by Ostwald viscometer. Determination of concentration dependence of gelatin solution viscosity by Ostwald viscometer. Determining the ultimate static stress of clay suspension displacement by a rotary viscometer. Rheological properties of dispersed systems. Formation of structures in colloidal systems and related structural-mechanical properties. Viscosity, shear stress. Normal and plastic viscosity. Flow limit. Methods for determining viscosity. Thermochemical measurements. Determination of the heat effect of the neutralization process of a strong acid with a strong base. Determination of molar heat of dissolution of salt. Determination of the heat of formation of crystal hydrate from salt hydration. Development of temperature change during neutralization of sulfuric acid with sodium base in a calorimeter. Experimental determination of temperature change when salt is dissolved in water. Analysis of temperature changes during dissolution of anhydrous and aqueous salt in water. Calculation of thermal effects of neutralization and opening processes according to the relevant equations. Determination of heat of hydration based on calorimetric analysis of heat of dissolution of anhydrous and aqueous salt. Equilibrium in heterogeneous systems. Determination of the partition coefficient of acetic acid between water and benzene. Preparation of four mixtures of aqueous acetic acid (different concentrations) and benzene. Determination of acetic acid concentration in equilibrium layers by titration of samples with sodium alkali solution. Calculation of the product of distribution and activity coefficients. Graphical determination of the partition coefficient of acetic acid between organic and inorganic solvents. Calculation of acetic acid activity coefficients for aqueous solutions of given concentrations. Neutralization method, determination of water hardness, determination of alkali concentration in solution, analysis of mixtures, oxidation-reduction method, permanganatometry, preparation of solutions, determination of correction coefficients, optical methods of analysis, visual colorimetry, photocolorimetry, spectral method of analysis, refractometric method of analysis, electrochemical methods of analysis. Potentiometry. Reduction reactions, nitration reactions, diazotization and azoconjugation reactions, sulfation reaction, alkylation reaction, acylation - in the laboratory work performed on each topic, appropriate methods of separation and purification of organic and inorganic substances are selectively included; Methods of purification and identification of solids: sublimation, recrystallization. Main stages of the process: selection of solvent, preparation of saturated solution, hot filtration, crystallization, separation of crystals, drying and determination of melting temperature; methods of purification and identification of liquid substance - types of distillation (simple and fractional - distillation at atmospheric and reduced pressure); Methods of separation of organic compounds from reaction mixtures: Extraction, steam distillation, solvent transfer. Reduction reactions, nitration reaction reactions are carried out in the laboratories of organic chemistry - reactions, diazotization and azoconjugation reactions, sulfation reaction, alkylation reaction, acylation - in the laboratory work performed on each topic, appropriate methods of separation and purification of organic and inorganic substances are selectively included; Methods of purification and identification of solids: sublimation, recrystallization. Main stages of the process: selection of solvent, preparation of saturated solution, hot filtration, crystallization, separation of crystals, drying and determination of melting temperature; methods of purification and identification of liquid substance - types of distillation (simple and fractional - distillation at atmospheric and reduced pressure); Methods of separating organic compounds from reaction mixtures: extraction, steam distillation, solvent transfer.
In the department, there are: laboratory of plant raw materials for graduate students (II building, II floor, 231), pharmacognosy and botany laboratory (II building, II, floor, 234), toxicological chemistry laboratory (II building, II floor, 235), pharmaceutical Technology laboratory (II building, II floor, 228, microbiology and hygiene laboratory (II building, II floor, 227). In the laboratories are carried out: dosing in the technology of drug forms. Dosage: by mass, volume. Use of physical properties of the dosing mass, metrological characterization of scales. determination of constancy and stability of sensitivity of scales; Distilled water and purified water in drug technology, physical and chemical methods of their research, sterilization and advantages of sterilization method compared to other methods. Aqueous and non-aqueous solutions, classification, general characterization; Watery issues (infusum) and decoctions (deurtum). Factors affecting the quality of brews. Preparation of aqueous decoction from oak bark, senega roots. technological processes of brewing and output; Solutions of medicinal substances, special cases in the preparation of solutions. Peculiarities of preparing solutions from oxidizing substances, determining the quality of solutions; Indefinitely competitive solutions: preparation of pepsin and gelatin solutions in pharmacy technology; General rules of the technology of preparation of publications and decoctions. receiving watery publications with various biologically active substance content, checking their quality; Determination of a single dose in powders of different specific weights with weights and a pharmacy hand scale, which must respond to the permissible error in milligrams; Quality control of ointments.
The following laboratories function in the department: Laboratory of Environmental Protection and Ecology (II building, 609-610); Laboratory of Hydrosphere Chemistry, Atmosphere and Soil Chemistry; Laboratory of ecological monitoring basics-auditorium (II building, 612); Ecological monitoring of environmental objects (II building, 707). The laboratories carry out: ecological monitoring of environmental objects; determination of dust concentration in the air using an electric aspirator; determination of the main characteristic ions of drinking and mineral waters; determination of hydrogen sulfide in mineral waters by volumetric analysis; by photocolorimetric method; Determination of organoleptic indicators, moisture, acidity, salinity, fat content in food products - bakery products, dairy products and chocolate. comparison of analysis results with standard indicators; Determination of biogenic substances in the waters of Vere River and Lis Lake, determination of nitrate ions by photocolorimetric method; preparation of analysis solutions; preparation of a model solution of waste water for the production of mineral fertilizers and its control; determination of pH and temperature; Determination of sulfates in a model solution: a) preparation of solutions. b) determination of ammonium ion by photocolorimetric method. c) construction of calibration curve; Purification of a model solution of chromium production waste water by electrocoagulation method.
The department combines quality control of bakery and pasta production, quality control of confectionery production, sugar and alcohol production technology, food biotechnology, food canning technology, basic processes and devices of food engineering, dry and liquid food concentrate production technology, grape-derived alcoholic beverage production technology. laboratories (II educational building, IV floor, 417, 420).
The following tasks are carried out in the laboratories: determination of fat content in chocolate products using a Soxhlet apparatus; the course of the analysis, the processing of the obtained results, the presentation of a theoretical summary; Preparation of pastry masses: preparation of praline and souffle masses, cooling, appropriate formation; processing of obtained results, presentation of theoretical summary; Processes of obtaining cocoa beans from cocoa beans and its processing, obtaining chocolate mass, its processing and changes in chemical indicators at this time; Molding of chocolate mass, waste during chocolate production, waste and their use; Milk composition, reception, filtration, cooling; Pasteurization and sterilization of milk, technological modes of pasteurization and sterilization; separation and normalization of milk; Milk homogenization and homogenization mode; Milk fermentation, fermentation methods and composition of milk; chemical composition of meat, types of meat; Brief description of substances included in milk; Determination of sugars by the polarometer method: preliminary preparation of reagents and basic and working solutions for the use of the polarometer method of common sugars for confectionery products; Determination of acidity: preparation and determination of solutions for determination of acidity of various food products; Determination of the main characteristic of pasta: determination of the increase in volume during cooking of pasta and the % amount of dry substances transferred to water during cooking; Preparation and determination of solutions for determining the acidity of various food products.
Based on the requirements of the standard, the laboratories are equipped with different types of tools and equipment: crushers (jaw, shaft, rotor, grinding), mills (metal, porcelain), furnaces: electric melting, muffle 10000C and silite 14000C - for grinding and sintering of materials and products (cement), ceramics, glass, clinker, refractories and others); Special equipment for standard tests of cements: vibrating tables, mixers, molds and others; Tool for determination of dough of normal consistency and duration of binding (Vika); pressures of 100, 25, 50 and 5 tons capacity; Evaporation cell for processing samples with water vapor (without pressure); autoclave for processing samples at high pressure; single crystal receiving apparatus; Laboratory oven for baking bread; Soy milk receiving machine; hood and drying cabinets; trenchers; scales; microscopes; Oil refining semi-production equipment; atomic-adsorption spectrometer; Photocoilometer; pH-meter; potentiometer; field tools for determining the organoleptic characteristics of water in field conditions; All kinds of laboratory utensils and chemical reagents.