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The GA-400-N nitrogen generator (hereinafter referred to as the generator) is a modification of the GA-400 nitrogen generator and is designed primarily to work with a storage tank (receiver) in which a certain "reserve" of nitrogen can be created. Unlike the GA-400, the GA-400-H generator has a built-in pressure monitoring system for nitrogen accumulated in the receiver, which puts the generator into "standby" mode when the maximum pressure value is reached in the receiver, and restarts the generator when the pressure drops below the minimum value. This work allows you to reduce energy consumption and increase the service life of the compressor feeding the generator. Technical specifications Volume fraction of nitrogen is not less than 99.5% by volume (including impurities of inert gases — argon, neon, helium) Volume fraction of oxygen is not more than 0.5 % vol. Volume fraction of water vapor is not more than 0.002 % vol.(20 ppm) Maximum nitrogen capacity, with nitrogen pressure in the storage tank below 2 ati, is not less than 400 l/hour (6.66 l/min) Nominal inlet air pressure is 6 ati Maximum allowable inlet air pressure is 8 ati Minimum inlet air pressure is 5.5 ati Compressed air consumption, at nominal inlet pressure and maximum flow rate is no more than 3000 l/h (50 l/min) Factory setting of the maximum pressure value in the storage tank is 3.5± 0.2 ati Factory setting of the minimum pressure value in the storage tank is 2.4 ±0.4 ati Power consumption is not more than 100 VA Overall dimensions, (width x depth x height) are not more than 230x580x680 mm; Weight is not more than 35 kg Working conditions: ambient temperature, C°, from +10 to +35 Electric power supply from single-phase AC mains voltage, V, 220± 10% and frequency, Hz, 50 ± 1 Average full service life is at least 6 years The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

It is used in the study of samples compressed into small-diameter tablets with KBr (the method is convenient for spectral analysis of powdery substances - the prefix allows you to work with small amounts of the sample using a manual press for the manufacture of tablets). • The diameter of the focus spot is less than 3 mm • Parabolic mirror optics are used in the design • Windows-substrates can be placed in the prefix after pasty, liquid substances or extracts are applied to them, followed by drying of the layers • Limited use – in the study of whole samples with dimensions less than 5 mm (preferably using a vertical-type microfocusing attachment)

The GA-200-N nitrogen generator (hereinafter referred to as the generator) is a modification of the GA-200 nitrogen generator and is designed primarily to work with a storage tank (receiver) in which a certain "reserve" of nitrogen can be created. Unlike the GA-200, the GA-200-H generator has a built-in pressure monitoring system for nitrogen accumulated in the receiver, which puts the generator into "standby" mode when the maximum pressure value is reached in the receiver, and restarts the generator when the pressure drops below the minimum value. This work allows you to reduce energy consumption and increase the service life of the compressor feeding the generator. Technical specifications Volume fraction of nitrogen is not less than, % by volume (including impurities of inert gases — argon, neon, helium) 99.4 Volume fraction of oxygen is not more than, % vol. 0.6 Volume fraction of water vapor is not more than, % vol. 0.002 (20 ppm) Maximum nitrogen capacity, with nitrogen pressure in the storage tank below 2 ati is at least 200 l/hour (3.33 l/min) Nominal inlet air pressure is 6 ati Maximum allowable inlet air pressure is 8 ati Minimum inlet air pressure is 5.5 ati Compressed air consumption, at nominal inlet pressure and maximum flow rate is no more than 1800 l/hour(30 l/min) Factory setting of the maximum pressure in the storage tank is 3.5± 0.2 ati Factory setting of the minimum pressure value in the storage tank is 2.4 ±0.4 ati Power consumption is not more than, VA, 100 Overall dimensions (width x depth x height) are not more than, mm, 230x525x510; Weight is not more than 27 kg. Working conditions: ambient temperature, C°, from +10 to +35 Electric power supply from single-phase AC mains voltage, V, 220± 10% and frequency, Hz, 50 ± 1 Average full service life is at least 6 years The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

An analogue of GCHA-21, but equipped with a built-in system of catalytic purification of the resulting nitrogen from hydrocarbons. GCHA-21D nitrogen generators are designed to produce nitrogen of the highest purity in laboratory conditions. The warranty period of operation of the generator is 18 months from the date of sale by the manufacturer. Technical specifications The grade of nitrogen produced according to GOST 9293-74 is high purity, grade I The volume fraction of nitrogen is not less than, % vol. (including impurities of inert gases: argon, neon, helium) 99,999 The volume fraction of oxygen is not more than, % vol. (ppm) 0.0005 (5 ppm) The volume fraction of water vapor is not more than, % vol. (ppm) 0.0007 (7 ppm) The volume fraction of hydrogen is not more than, % vol. (ppm) 0.0002 (2 ppm) The volume fraction of the sum of carbon-containing compounds in terms of methane is not more than, % vol. (ppm) (with a concentration of methane in the supply air not more than 5 ppm)* 0.00001 (0.1 ppm) Maximum nitrogen capacity is not less than 21 liters/hour (350 ml/min) Nominal output pressure of nitrogen is 4 ati The time of setting the operating mode for single-shift operation is no more than 45 min Nominal inlet air pressure is 6 ati Maximum allowable inlet air pressure is 7 ati Minimum inlet air pressure is 5 ati Compressed air consumption, at nominal inlet pressure is no more than 300 l/h (5 l/min) Power consumption is not more that 110 VA Overall dimensions, (width x depth x height) are not more than, mm 230x425x510 Weight, not more than, kg 25 Working conditions: Ambient temperature, °C from +10 to +35 Electric power supply from a single-phase AC network with a voltage of 220 ± 10% and a frequency of 50 ± 1 Hz Average full service life is at least 6 years The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

Single- and multi-pass flask are used for qualitative and quantitative spectral analysis of gas mixtures. The use of multi-pass flask makes it possible to confidently detect extremely small concentrations of the components of the gas under study (less than ppm units). • Three types of flask are supplied: 1. single-pass, having a stroke length of 100 mm, with a glass body and windows made of ZnSe, KBr, NaCl 2. multi-pass, with a beam stroke length of up to several tens of meters 3. multi-pass, with a beam stroke length of up to several tens of meters, equipped with a heating system of the working chamber up to 200 ° C and a thermal controller Multi-pass cuvettes have a transparent working chamber made of quartz glass; mirrors with a gold (99.999) coating provide a reflection coefficient in the IR region of at least 98%; additionally, cuvettes can be equipped with pressure and temperature sensors, fittings for controlling gas flow, etc.

They are designed for purification of nitrogen (BOV-1A) and air (BOV-1) from hydrocarbons Technical specifications Maximum nitrogen inlet pressure is not more than 410± 5% kPa (4 ati) Maximum allowable nitrogen consumption is no more than 350 ml/min The concentration of hydrocarbons in terms of methane in the input nitrogen is not more than 0.0025 %(25 ppm) The concentration of hydrocarbons in nitrogen at the outlet of the device at maximum flow is not more than about 0.00001 % (0.1 ppm) Ready time after switching on at a flow rate not exceeding the maximum value is no more than 30 minutes Power consumption is not more than 50 VA Overall dimensions, (width x depth x height) are not more than 185x310x310 mm Weight is not more than 5.0 kg Working conditions: ambient temperature, °C, from +10 to +35 relative humidity of the surrounding air, %, no more, at 35 °C 80 Electric power supply from a single-phase AC network with a voltage of 220 +10% -15% and a frequency of 50 ± 1 Hz

Catalytic reforming is used to produce high-octane components of automobile gasoline, flavored concentrate for the production of individual aromatic hydrocarbons, as well as technical water. Isomerization of paraffin hydrocarbons is used to increase the octane number of C5 - C6 oil fractions by converting paraffins of normal structure into their isomers having a higher octane number.oroda. Hydrotreating of distillates is used to improve the quality and stability of light distillates, raw materials of catalytic cracking, as a result of the use of reactions of destructive hydrogenation of organosulfur compounds and hydrogenation of unsaturated hydrocarbons. Catalytic cracking is used to obtain additional amounts of light petroleum products, namely high-octane gasoline and diesel fuel, by decomposition of heavy oil fractions in the presence of a catalyst. Alkylation of isobutane with olefins is used to produce gasoline fractions with high stability and detonation resistance using the reaction of interaction of isobutane with olefins in the presence of a catalyst. Polymerization (oligomerization) of olefins is used to produce low molecular weight polymers (oligomers) of propylene and butylene used as motor fuel or raw materials for petrochemical synthesis. Hydrocracking is used to obtain an additional amount of light petroleum products by catalytic decomposition of heavy raw materials in the presence of hydrogen. Thermal cracking and Visbreaking is used to obtain in the mode of thermal cracking – additional amounts of light petroleum products by thermal decomposition of residues from oil distillation, in the mode of visbreaking – improving the quality of boiler fuel Coking is used to produce petroleum coke and an additional amount of light petroleum products from heavy residues. The raw materials are tar, thermal cracking residue, heavy gas oil. The products are, for example, petroleum coke.

The unit is designed to determine the so-called Davison index (the ratio of catalyst fractions with a particle size of less than 20 microns before and after analysis), which characterizes the abrasion resistance of microspherical catalysts of the cracking process in a fluidized bed. The installation is included in the register of testing facilities.

The water treatment system (hereinafter referred to as the system) is used for the preparation of water used in hydrogen generators, for the preparation of solutions, chromatographic samples, capillary electrophoresis, high-performance liquid chromatography (HPLC), etc. analyzers requiring the use of high purity water. The system is connected directly to the municipal water supply line and allows obtaining high–purity deionized water with a specific electrical conductivity of 0.06 - 0.1 mcm/cm. The device uses multi-stage water purification. Technical specifications System output capacity, l/h not less than 6 Specific electrical conductivity of water, mcm/cm not more than 0.06 – 0.1 Power supply - single-phase AC 220V, 50/60 Hz Maximum power consumption, kW 0.1 Dimensions (W x D x H), mm 200 x 560 x 440 Weight, not more than 20 kg

The flame spectrometer is designed for rapid determination of a wide range of concentrations (up to 8 orders of magnitude) of sodium, lithium, potassium, calcium, barium, caesium, rubidium in technological solutions. The excitation of atoms occurs in an air-acetylene flame. The device consists of a three-slit burner with flame control, a pneumatic sprayer, a spray chamber, an optical radiation input system into the "Hummingbird-2" spectrometer and an automatic air and acetylene supply system, with the possibility to control and adjust gas flow. The use of a three-slit burner provides increased flame temperature over the central slit of the burner due to the external flame layers. This makes it possible to determine low concentrations of calcium and barium. At the same time, it remains the possibility to determine impurities in highly concentrated solutions without clogging the burner slots. The lighting system of the spectrometer is mirror-lens, thanks to this, radiation collected from both sides of the burner is introduced into the polychromator.

The generator is designed to produce hydrogen of the highest purity used to power analytical instruments (chromatographs, gas analyzers, etc.). Technical specifications Purity of hydrogen in terms of dry gas is about 99.998% The concentration of water vapor at 20 OC and 1atm is not more than 10 ppm In the output pressure stabilization mode The range of the specified output pressure of hydrogen is from 1.5 to 6.1 ati Stability of the output pressure of hydrogen is not worse than ± 0.02 ati Maximum hydrogen capacity reduced to normal conditions is 36 l/h The time of setting the operating mode, with the output turned off is no more than 20 minutes In the performance stabilization mode: The range of the specified hydrogen performance is from 0 to 36 l/h Maximum developed pressure in performance mode is 5.0 ati Volume of distilled water to be poured is 1.0 l Distilled water consumption is not more than 0.06 l/hour Water consumption is 2.4 g/l of hydrogen The average life of a replaceable deionization filter cartridge (at maximum performance and single-shift operation) is at least 0.5 years Average power consumption: in stationary mode is no more than 250 VA maximum (at startup) is no more than 300 VA Overall dimensions of the generator, (width x depth x height) are not more than 230x470x450 mm The mass of the generator is not more than 18 kg Operating conditions: ambient temperature, °C, from +10 to +35 powered by single-phase AC voltage, V, 220 (+10 -15)% and frequency, Hz, 50 +1 The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

It is intended for obtaining nitrogen of the highest purity and zero air in laboratory conditions. The warranty period of operation of the generator is 18 months from the date of sale by the manufacturer. Technical specifications The grade of nitrogen produced according to GOST 9293-74 is high purity, grade I Volume fraction of nitrogen is not less than 99,999 % vol. (including impurities of inert gases — argon, neon, helium) Volume fraction of oxygen is not more than, 0.0005 % vol. (5 ppm) Volume fraction of water vapor in nitrogen is not more than 0.0007 % vol. (7 ppm) The volume fraction of hydrogen in nitrogen is not detected Volume fraction of the sum of carbon-containing compounds in nitrogen in terms of methane is not more than 0.00001 % vol.(0.1 ppm) Maximum nitrogen capacity is not less than 18 liters/hour (300 ml/min) Nominal output pressure of nitrogen is 4 ati Volume fraction of water vapor in the generated air is not more than 0.0007 % vol. (7 ppm) The volume fraction of the amount of hydrocarbons in the produced air in terms of methane is not more than 0.00001 % vol. (0.1 ppm), (with a concentration of methane in the supply air not more than 5 ppm) Maximum air capacity is not less than 60 liters/hour (1000 ml/min) Nominal output air pressure is not less than 3.5 ati The time of setting the operating mode for single-shift work is no more than 45 min Nominal inlet air pressure is 6 ati Maximum allowable inlet air pressure is 7 ati Minimum inlet air pressure is not less than 5.5 ati Compressed air consumption, at nominal inlet pressure is no more than 480 l/h (8 l/min) Power consumption is not more than 150 VA Overall dimensions, (width x depth x height) are not more than 230x425x510 mm Weight is not more than 25 kg Operating conditions: ambient temperature, ° C, from +10 to +35 electric power supply from a single-phase AC network with voltage, V, 220 ± 10% and frequency, Hz, 50 ± 1 Average full service life is at least 6 years The generator meets the electrical safety requirements of class 1, type H according to GOST 12.2.025-76