Method for separating nicotine and TSNA by utilizing electrodialysis process

The invention discloses a method for separating nicotine and TSNA by utilizing an electrodialysis process. The method comprises two electrodialysis desalination processes, wherein, in the first electrodialysis desalination treatment, the pH value of a nicotine and TSNA mixed solution is regulated to 6.5-7.5, the electrodialysis desalination treatment is carried out under a condition of constant current density until the voltage is stabilized to be 50V, and then electrodialysis desalination treatment is carried out under a 50V stabilized voltage condition until the electrical conductivity is 0.1ms/cm; in the second electrodialysis desalination treatment, the pH value of the mixed solution obtained after the first electrodialysis desalination treatment is regulated to 10-12, desalination treatment is carried out under the same condition of the first electrodialysis treatment until the electrical conductivity is 0.1ms/cm, and the mixed solution is vaporized and concentrated to obtain high-purity ...

Anti-tumor pharmaceutical composition

The invention discloses an anti-tumor pharmaceutical composition, and belongs to the technical field of medicines. The anti-tumor pharmaceutical composition provided by the invention is prepared from arsenic trioxide and gemcitabine, the pharmaceutical composition provided by the invention can enhance the chemosensitivity of pancreatic cancer and has a remarkable anti-tumor effect.

Novel tobacco products prepares utensil suitable for cylinder electrical heating type smoking set

The utility model discloses a novel tobacco products prepares utensil suitable for cylinder electrical heating type smoking set, including push -and -pull rod and filler barrel, push away draw -bar box draw together from last down connect gradually push away set, connecting rod and base, push away and can dismantle the connection between dish and the connecting rod, filler barrel includes barrel and a plurality of vent stem, and in the barrel is located to barrel upper end opening, a plurality of vent stems, and the lower extreme of a plurality of vent stems fixes and upwards stretch out the barrel in barrel diapire, upper end, the connecting rod upper end of push -and -pull rod stretch into in the barrel and with lie in pushing away the dish and can dismantling and be connected of barrel,push away and being provided with a plurality of perforation that supply a plurality of vent stems to pass on the dish, a plurality of vent stem one -to -ones pass a plurality of perforation that push ...

Three -phase motor control circuit

The utility model discloses a three -phase motor control circuit, including relay J, switch S1, triode V3 and diode D5, relay J's one end linked switch S1, relay J's contact J4 and switch S1, switch S1's the other end connect relay J's contact J4's the other end and switch S2, and relay J's contact J1 and three -phase alternating current's A looks are connected to switch S2's the other end. The utility model discloses three -phase motor control circuit can appear transship at three phase motor, during under -voltage and open phase fault, in time cut off the working power supply of motor to the protection motor reminds the user to notice and can send the chimes of doom, and circuit structure is simple simultaneously, and components and parts are few, has consequently that the cost of manufacture is low, the function is various and convenient operation's advantage.

Method for separation and purification of nicotine by electrodialysis method

The invention discloses a method for separation and purification of nicotine by an electrodialysis method. The method comprises two electrodialysis treatment processes, wherein the first electrodialysis treatment comprises carrying out electrodialysis desalination treatment on a tobacco water extract under a condition of constant electric current density until the voltage is stabilized at 42 V, and continuing electrodialysis desalination treatment under a condition of a 42 V stable pressure until the conductivity is 1 ms/cm; the second electrodialysis treatment comprises adjusting the pH value of the salt solution discharged from the first electrodialysis to 10-12 with a pH value regulator, carrying out desalination treatment with the same conditions as the first electrodialysis treatment conditions until the conductivity is 0.5 ms/cm, and carrying out evaporation concentration to obtain the high-purity nicotine with the purity of 98% or more. The method synthetically scientifically utilizes ...

Roll formula hexagonal wind wheel transmission line bird repellent device

The utility model discloses a roll formula hexagonal wind wheel transmission line bird repellent device, including support, center pin, hexagonal wind wheel, steel wire and unable adjustment base, the hexagonal wind wheel has threely, and three hexagonal wind wheel passes through the center pin to be fixed on the support, and six angles of any hexagonal wind wheel are passed through six roots of sensation steel wire and are connected with six angles of two other hexagonal wind wheels, and the six roots of sensation that forms connects the steel wire and be parallel to each other, the bottom of support sets up unable adjustment base. This roll formula hexagonal wind wheel transmission line bird repellent device, simple structure, low cost, dismouting are easy, do not influence maintainer work such as insulator chain and change insulator from top to bottom, ensure the operation of circuit safety and stability.

Flue-cured type electronic cigarette liquid

The invention discloses a flue-cured type electronic cigarette liquid which comprises low-temperature distillation condensation products of flue-cured type tobacco materials and solvents. The low-temperature distillation condensation products and the solvents are mixed with one another, and the mass-volume ratio (g/mL) of the low-temperature distillation condensation products to the solvents is 1:10-15; the low-temperature distillation condensation products of the flue-cured type tobacco materials are made of flue-cured type tobacco powder or tobacco shreds and are preferably made of the tobacco powder, and the flue-cured type tobacco powder or tobacco shreds is heated in a temperature range of 200-300 DEG C to generate the distillation condensation products in the preceding 5-10min; the solvents contain glycerin or propylene glycol or mixtures of the glycerin or the propylene glycol in an arbitrary ratio. The flue-cured type electronic cigarette liquid has the advantages that the electronic ...

Flavoring enhancing electronic cigarette sensory quality, and electronic cigarette liquid

The invention discloses a flavoring which can enhancing electronic cigarette sensory quality, and electronic cigarette liquid. The flavoring is characterized in the following preparation steps: under inert gas protection, tobacco is subjected to pyrolysis in a pyrolysis unit; smoke produced by pyrolysis is introduced into an adsorption pipe filled with an adsorption material, and smoke collection is carried out; after smoke collection, the adsorption material is fetched and is extracted in ethanol, such that an extraction liquid is obtained; and the extraction liquid is filtered and concentrated, such that the flavoring prepared through adsorption is obtained. When the flavoring is added into electronic cigarette liquid, electronic cigarette sensory quality can be enhanced, and the aroma and mouthfeel of the electronic cigarette are closer to those of traditional cigarettes. According to the invention, the flavoring assisting in enhancing sensory quality is adsorbed from smoke with a porous ...

Experimental device for efficiency is remained in nicotine oral cavity among on line measurement cigarette mainstream smoke

The utility model discloses an experimental device for efficiency is remained in nicotine oral cavity among on line measurement cigarette mainstream smoke, characterized by set up smoking machine, quadrupole pole mass spectrograph and flue gas transmission quartz capillary, the piston that the step motor's of smoking machine push -pull screw passes through coupling lever and syringe links to each other, an opening of the front end of syringe is seized the ware through two -port valve an on both sides by the arms with the cigarette that can insert cigarette and is linked to each other, and another opening passes through the first port that two -port valve b and triport flue gas go into the mouth ware and links to each other, the one end of flue gas transmission quartz capillary runs through the triport flue gas goes into the second port of mouth ware and sucks the port to stretch out suck the port outside, the chamber wall that the other end passed quadrupole pole mass spectrograph gets ...

Gathering device for thermoanalysis product

The invention discloses a gathering device for a thermoanalysis product, which is provided with a multi-port multi-angle blind nut, wherein a port is a gas inflowing port, a plurality of gas outflowing ports are distributed along the circumference of the multi-port multi-angle blind nut, the gas inflowing port of the multi-port multi-angle blind nut is communicated with the gas outlet end of a pyrolysis stove of a thermoanalysis meter, each gas outflowing port of the multi-port multi-angle blind nut is sequentially connected with a two-port valve and a Cambridge filter disc collector, and thegas inflowing port of the Cambridge filter disc collector is connected with the two-port valve, and the other outlet end of the Cambridge filter disc collector is connected with an on-line analysis mass spectrum, a gas collecting pocket or a solution trapping implement. By using the thermoanalysis meter to imitate the burning conditions of cigarette, the gathering device can be used for uninterruptedly ...

Method for determining glucosidic bonded fragrance component in tobacco

The invention discloses a method for determining glucosidic bonded fragrance components in tobacco. The method comprises the following steps: drying tobacco leaves, crushing, screening, sequentially performing rough extraction and fine extraction so as to obtain a refined tobacco glucosidic extract, adding an internal standard solution into the refined tobacco glucosidic extract, blow-drying the refined tobacco glucosidic extract with N2, and adding a derivatization solvent and an acylation reagent for derivatization, thereby obtaining a tobacco glucosidic derivatization product; analyzing the tobacco glucosidic derivatization product by using a gas chromatograph-mass spectrometer. By adopting the method, glucosidic bonded fragrance components in tobacco not only can be completely extracted, but also can be effectively separated and purified, and meanwhile due to derivatization and analysis with the gas chromatograph-mass spectrometer, qualitative and quantitative analysis on the glucosidic ...

Tobacco parching room fragrance composition collecting device

The utility model discloses a tobacco parching room fragrance composition collecting device. The device is characterized in that an air sampler is arranged between a tobacco parching room and a solution collector placed in an ice bath, an air inlet pipeline of the air sampler is communicated with an air horn, an air outlet pipeline of the air sampler is communicated with an air collection pipeline of the solution collector, the solution collector is filled with absorption liquid used for absorbing air, and unabsorbed air is discharged through an air discharging pipeline. The device is simple in structure, convenient to operate, and capable of achieving online collection and accurate, qualitative and quantitative analysis of fragrance compositions in the tobacco parching room at different parching stages.

Gathering device for thermoanalysis product

The invention discloses a gathering device for a thermoanalysis product, which is provided with a multi-port multi-angle blind nut, wherein a port is a gas inflowing port, a plurality of gas outflowing ports are distributed along the circumference of the multi-port multi-angle blind nut, the gas inflowing port of the multi-port multi-angle blind nut is communicated with the gas outlet end of a pyrolysis stove of a thermoanalysis meter, each gas outflowing port of the multi-port multi-angle blind nut is sequentially connected with a two-port valve and a Cambridge filter disc collector, and the gas inflowing port of the Cambridge filter disc collector is connected with the two-port valve, and the other outlet end of the Cambridge filter disc collector is connected with an on-line analysis mass spectrum, a gas collecting pocket or a solution trapping implement. By using the thermoanalysis meter to imitate the burning conditions of cigarette, the gathering device can be used for uninterruptedly ...

Method for separating and removing TSNA (tobacco specific nitrosamine) in burley tobacco extract by using electrodialysis method

The invention discloses a method for separating and removing TSNA (tobacco specific nitrosamine) in a burley tobacco extract by using an electrodialysis method. The method comprises two electrodialysis desalination treatment processes, wherein the first electrodialysis desalination treatment is: carrying out electrodialysis desalination treatment on a burley tobacco extract under the condition of invariable current density until the voltage is stabilized at 60V, and then carrying out electrodialysis desalination treatment at stable voltage of 60V until the conductivity is 1ms/cm; the second electrodialysis desalination treatment is: adjusting the pH value of a mixed solution which is obtained after the first electrodialysis desalination treatment to be 1.5-2.0, carrying out desalination treatment by adopting the condition same as that of the first electrodialysis desalination treatment until the conductivity is 0.3ms/cm, evaporating and concentrating, thereby obtaining burley tobacco essential ...

Carbonaceous heat source combustibility rate's testing arrangement

The utility model discloses a carbonaceous heat source combustibility rate's testing arrangement sets up a glass container (four to six -tenehs) glass microballon (7) that have one deck 3 -5cm thick are spread to the bottom of glass container (four to six -tenehs) to the even upward flow of nitrogen oxygen gas mixture that the messenger was let in by the bottom, be provided with spline fixer (8) on the lateral wall of glass container (four to six -tenehs) for fixed carbonaceous heat source spline (9), there is an opening at the top of glass container (four to six -tenehs) for discharge nitrogen oxygen gas mixture. The utility model discloses testing arrangement simple structure, it is with low costs, the facilitate promotion.

Cigar type electronic cigarette liquid

The invention discloses a cigar type electronic cigarette liquid. The cigar type electronic cigarette liquid is prepared by mixing cryogenic distillation condensate of cigar type cigarette raw materials and solvent by the quality volume ratio (g / mL) of 1 : 10 to 15. The cryogenic distillation condensate of the cigar type cigarette raw materials is prepared by heating cigar type cut tobacco or tobacco powder for 5 to 10 min at the temperature ranging from 250 to 350 degrees; the solvent is glycerol or propylene glycol or a mixture of the two at the arbitrary proportion. The electronic cigarette liquid has rich cigar type cigarette smoke feature smell ingredients and fine cigar type cigarette smoking taste.

Method for reducing TSNA (tobacco-specific nitrosamines) content and nitrate content of reconstituted tobacco concentrated solution according to electrodialysis method

The invention discloses a method for reducing the TSNA (tobacco-specific nitrosamines) content and the nitrate content of a reconstituted tobacco concentrated solution according to an electrodialysis method. The method comprises three times of electrodialysis treatment procedures: for the first time, electrodialysis desalination treatment is carried out to remove nitrate radical in the reconstituted tobacco concentrated solution, wherein the acid consumption used for adjusting a feed liquid to be acidic is reduced at the same time; for the second time, electrodialysis desalination treatment is carried out under a strong acid condition to remove TSNA in the papermaking reconstituted tobacco concentrated solution; for the third time, electrodialysis desalination treatment is carried out to recycle nicotine, wherein by-products generated in the step can be used for preparing fertilizer. The method has the advantages that the characteristics of reconstituted tobacco concentrated solution and ...

Carbon heating low temperature self -adhesive paper for cigarette

The utility model discloses a carbon heating low temperature self -adhesive paper for cigarette, it pastes at the interior surface parts of cigarette paper to have aluminium foil paper, and it has china cypress paper to paste at the outer surface parts of cigarette paper, and has the non -setting adhesive in the whole coatings of the internal surface of cigarette paper, and the non -setting adhesive covers aluminium foil paper simultaneously. Utilize the utility model relates to a self -adhesive paper accessible of preparation is the compound carbon heating low temperature cigarette of preparing out once, and process is simple and convenient, other part the do not have section phenomenons of carbon heating low temperature cigarette outward appearance except that the filter tip section of preparing out, and aluminium foil paper wraps up carbonaceous heat source section part in the non -setting adhesive moreover, has effectively avoided the cigarette paper to burn the heat source that leads ...

Method and device for testing burning rate of carbonaceous heat source

The invention discloses a method and a device for testing the burning rate of a carbonaceous heat source. The method is simple to operate, test data repeatability is good, the burning rate of a carbonaceous heat source material can be tested accurately, and the testing efficiency can be substantially improved through increase of oxygen concentration; the testing device is simple in structure, low in cost and convenient to popularize.

Method for reconstituted tobacco sheets through array plasma jet in-situ treatment

The invention discloses a method for in-situ treatment of reconstituted tobacco sheets by array plasma jet, which is characterized in that plasma jet is generated by utilizing plasma generating equipment, the surfaces of the reconstituted tobacco sheets are continuously treated in situ, and the reconstituted tobacco sheets with high hydrophilicity and surface bacteriostasis are directly obtained. According to the array plasma jet treatment process, the tobacco paper-based sheet can be continuously treated in situ, the treatment time is short, the properties of bacteriostasis, hydrophilicity and the like of the sheet can be effectively improved, no chemical is added, and the process is environment-friendly and pollution-free.

Device that adsorbs flue gas preparation electron cigarette spice by porous material

The utility model discloses a device that adsorbs flue gas preparation electron cigarette spice by porous material, characterized by comprises air feed unit, stable state pyrolysis unit and absorption unit, use the air feed unit to provide steady inert atmosphere as the stable state pyrolysis unit, stable state pyrolysis device is used for making the bacco to be heated under suitable temperature releasing the flue gas, and adsorption equipment is arranged in adsorbing the flue gas flavor material. The utility model discloses the spices that improves the organoleptic quality is done benefit to in utilizing porous material absorption flue gas, the suction satisfaction of electron cigarette can be effectively promoted, its simple structure, easy to carry out.

Special cutter of cambridge filter element

The utility model discloses a special cutter of cambridge filter element, its characterized in that: the cutter includes blade holder, tool bit and filter element push rod, the blade holder pushes away the hole including cutting seat, external screw thread and blade holder, the tool bit includes that internal thread, blade and tool bit push away the hole, external screw thread and internal thread phase -match, blade holder push away hole and tool bit and push away the hole and run through blade holder and tool bit respectively, and its internal diameter is greater than the external diameter of filter element push rod. The utility model has the advantages of being simple in structure and convenient in operation, can effectively evenly cut into commercialized jumbo size cambridge filter element cambridge filter element of small -size.

Fasciculation carbonaceous heat source

The utility model discloses a fasciculation carbonaceous heat source, it gathers into a branch ofly by being no less than the cylindrical carbonaceous heat source silk of three root circles to wrap up in with the aluminium foil paper bag and form. This heat source not only safe and harmless, the preparation mould is simple, but also can provide sufficient thermal current passageway, the tobacco material can effective transmission be given to the heat of guarantee heat source burning.

Production of nano-catalyst