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    Turpentine

    • Last Update: 2020-06-12
    • Source: Internet
    • Author: User
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    Extraction source: This product is an oil resin oozing from several plants in the genus Pines, and a volatile oil extracted by distillation or other methodscharacter" This product is a colorless to micro-yellow clarified liquid; Long storage or exposure to the air, odor gradually increased, color gradient yellowThis product is flammable and generates smoke when burnedextraction source: This product is soluble in ethanol, and chloromethane, ether or ice acetic acid can be arbitrarily dissolved, insoluble in waterThe relative density ofshould be 0.850 to 0.870 (Appendix VII.A)the distillation process to take this product, the determination of the distillation process (appendix VII.B) asdetermined, in 154 to 165 degrees C the amount of distillation shall not be less than 90.0% (ml/ml)the refractive index ofshould be 1.466 to 1.477 (Appendix VII.F)"Identification" (1) take 1g of this product, plus petroleum ether (30 to 60 degrees C) 5 ml, shake well, as a test solutionAnother pine oil control extract 1g, with the legal system into a control extract solutiontake the alpha-ethene control, plus petroleum ether (30 to 60 degrees C) to make a solution containing 40 mg per 1 ml, as a control solutionAccording to the thin layer chromatography (appendix VIB) test, absorb the above three solutions of 1 to 5 sl, respectively, on the same silicone G thin layer plate, with cyclhexane acetone (9:1) as the expander, expand, remove, dry, sprayed with 5% vanilla aldehyde sulfuric acid solution, heated at 105 degrees C to the speckled color clarityIn the color spectrum of the test, the same color spots were displayed at the corresponding position with the control extract chromatography and the control color spectrum(2) take this product 50mg, set the brown bottle, add 5 ml of waterless ethanol to dissolve, shake well, as a test solutionAnother take beta-pyrethiner control products, pyrethic control products appropriate amount, plus aqueous ethanol to make each 1 ml containing 0.2 mg of solution, as a control solution Photo-gas chromatography (Appendix VI.E) assays to 50% benzene-50% methyl polysioxane capillary column (column length of 30m, internal diameter of 0.25mm, membrane thickness of 0.25 m); The rate is heated to 50 degrees C, and then at a rate of 3 degrees C per minute to 200 degrees C; The number of theoretical boards should not be less than 20000 according to the calculation of the peak of the niol absorb the control solution and the test solution of 1 sl each, injected with the gas chromatography, recorded chromatography The chromatography peak spent in the color spectrum of the test product should be presented in line with the retention time of the control product chromatography peak " insoluble in ethanol take this product 1 ml, plus 90% ethanol 7 ml, shake to dissolve, the solution should be clarified Acid values should not be greater than 0.5 (Appendix IX.N) "Content Determination" asgash chromatography (Appendix VI.E) measurement chromatography conditions and system suitability test 50% benzene-based 50% methyl polysiloxane capillary column (column length of 30m, internal diameter of 0.25mm, membrane thickness of 0.25 m); The number of theoretical plates should be calculated by alpha-ethyl peak stoic at no less than 8000 correction factor determination takes the appropriate amount of positive butanol, precision called, added waterless ethanol to make a solution containing 10 mg per 1 ml, as an internal standard solution Take about 70mg of alpha-ethene control products, precision weighing, set 10 ml of brown bottle, add aqueous ethanol dissolved and diluted to the scale, shake well, precision amount take 1 ml, set 10 ml in the bottle, precision added to the internal standard solution 1 ml, add aqueous ethanol to the scale, shake, absorb 1 sl injection gas chromatography, calculate correction factors the determination method: take this product about 0.25g, precision called, set 25 ml of brown bottle, with waterless ethanol dissolved and diluted to the scale, shake even Precision amount take 1 ml, set 10 ml of brown bottle, precision added to the inner standard solution 1 ml, with waterless ethanol diluted to the scale, shake evenly, absorb 1 sl injected into the gas chromatography, the determination, that is Extraction Source: This product contains alpha-ethyl (C10H16) shall not be less than 80.0% the main treatment of the function of antibacterial, anti-inflammatory, anti-HIV, sputum, anti-tumor use and dosage for external use, coating the affected areas storage, cover, seal, and place in a cool place
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