1. Second, there is growing environmental pressure, particularly on organic solvents.

2. Similarly, the reference to reactions in organic solvents merited further discussion.

3. The organic solvent is absolute ethyl alcohol.

4. In addition, because of the bigger lipophilicity of organic solvent was used in LLE, more fat-soluble impurities were extracted, which lead to a complex purification process.

5. OBJECTIVE:To determine organic solvent residual volume in fusidic acid by headspace gas chromatography.

6. The effects caused by different addition quantities of organic solvent and different addition time on the cell growth and secondary metabolites production were studied.

7. Objective To determine organic solvent residual volume in felodipine raw material by headspace gas chromatography.

8. Compared to the conventional organic solvent extraction method,[Sentence dictionary] the subcritical water extraction method showed shorter handling time and lower solvent consumption without waste producing.

9. Methods Barbiturate drugs in blood were extracted with organic solvent and detected by LC-MS/MS with aspirin internal standard.

10. To treat tetramethyl ammonium chloride with H2SO4 in organic solvent, a precipitate is produced. A white crystallizing solid TMAHS is prepared after filtrating, washing and drying.

11. The stability mechanisms of thermophilic, alkalophilic, halophilic and organic solvent tolerant enzymes, their research status quo and application in wastewater treatment are introduced.

12. The organic solvent adopts methanol, ethanol and isopropyl alcohol, the thiolation agent adopts sodium hydrosulfide, sodium sulfide and thiourea.

13. The organic solvent (xylene) existed in the filtrate after adsorption filtration and the regeneration were also analyzed in detail.

14. PANI/ABS film was prepared by Solution blending in organic solvent system, in which PANI was fully dissolved in NMP by the addition of aroma reducing agent.

15. The nitric acid solution is then mixed with an organic solvent and the uranium and plutonium are separated from the waste products.

16. The Gyrovap can cope with 240 samples at a time and is appropriate for water as well as organic solvents.

17. Sodium cyclamate in Vitamin C effervescent tablets sample was extracted by organic solvent after derived, and determined by gas-chromatography-mass spectrum with selected ion monitor(GC-MS/SIM).

18. Disclosed is a lithium ion capacitor comprising a positive electrode, a negative electrode, and an aprotic organic solvent solution of a lithium salt as an electrolyte solution.

19. A solution - solid headspace gas chromatography for the determination of residual organic solvent in alacepril was established.

20. The fractionation separation of fructose monopalmitate and fructose dipalmitate by extraction with mixed organic solvent were performed.

21. Washing after the test needs special care. Generally an organic solvent such as trichloroethylene or xylene is used.

22. The solubility of the prepared copolymer of the chloroethylene and the acrylonitrile in an organic solvent DMF reaches more than 20 percent.

23. A high-molecular-weight poly (phenyl sulfide) (HMWPPS) resin was prepared from sulfur and p-dichlorobenzene in polar organic solvent, with 6-amino-caproic acid and its sodium caproate as catalyst.

24. Its packaging liquor consists of perchlorinated olefin compound resin, organic solvent colloidal solutions of ketone, acetic ester and benzoic ester and dye.

25. Take the organic positive ion as the counter-ion, may change the heteropoly compound in organic solvent solubility, simultaneously enhances the catalyst catalyzed oxidation activeness.

26. Various aromatic diacids and various divinyl ether compounds are heated to react in organic solvent to obtain novel ester acetal polymers.

27. Results showed clearly that p-xylene had good biocompatibility as organic solvent in the two-phase system, its relative amount was 15%.

28. This paper reviews the recent progress of membrane materials and membrane-forming technologies in the pervaporation separation of organic solvent mixtures in the world.

29. The rapid solvent extractor ASE-200 was used to extract fluoroacetamide and tetramine in the poisoning sample. It simplified the analysis step, and reduced the contamination of organic solvent.

30. The extraction of lipophilic compounds in shrimp head by organic solvent was investigated in this paper.

31. Cuminum cyminum L. is served as spices and used for medical purpose, but there haven't reported the research of antioxidant activities of extracts from Cuminum cyminum L. by organic solvent.

32. This paper presents a recoverer used for low and high concentration organic solvent vapor.

33. As the one of the preferred embodiment, the method uses hog still to remove water and aromatic hydrocarbon organic solvent azeotropy generated in the dehydration reaction.

34. In this paper, organic solvent extracted from the red pepper Capsanthin studied.

35. The solubility of animal oil is smaller than the solubilities of vegetable oil in the organic solvent.

36. Colorless transparent liquid, inflammable volatile organic solvent and most immiscible, with good solubility.

37. Methods DECB was treated with heat, acid, alkali, baking, organic solvent extracting, micro-organism zymolysis, and then the method of microrespiromete was used to test the respiratory activity.

38. Objective: To established a GC method with FID detector for determination of residual organic solvent dichloromethane, trichloroethylene, trichloromethane,[http://] dioxane in Ranitidine hydrochloride capsule.

39. RESULTS Adding polar organic solvent in inner phase improved the loading efficiency of tranilast in microspheres, meanwhile reduce microsphere diameter greatly.

40. At last we got coarse alkaloids after concentration. Then we refined it through acid dissolution alkalization and extraction by organic solvent.

41. To extract the alkaloids with acidic solution and organic solvent, and to isolate tetrandrine and fanchineline with column chromatograph and thick-layer chromatograph.

42. There were not n-hexane, benzene, toluene and xylene, o-xylene, styrene and other organic solvent residue in the purification of apple polyphenol by the headspace gas chromatograph.

43. By suitable choice of polytlend composition, a PAC polyblend fibre can be obtained with good water-retention properties using an organic solvent by wet spinning method.

44. With certain addition agent in a polar organic solvent, the crystal linear HMW PPS was synthesised from sodium sulfide and p-dichlorobenzene.

45. Ether is the best solvent in the three organic solvent.

46. The technology on extraction of Tenebrio molitor oil by organic solvent method was investigated in this paper.

47. The second polyimide polymer is prepared with aromatic tetracid dihydride and aromatic diisocyanate and through a one-step condensation reaction in organic solvent and under the action of catalyst.

48. The reaction mechanism of purifying WPA by ethyl alcohol as organic solvent is sought.

49. This synthetic strategy compared with traditional solution protocol has advantages of no organic solvent pollution, elevating reaction rate, high yield and simple work-up procedure.

50. CONCLUSIONS:The method is simple, accurate, and suitable for the determination of organic solvent residual volume in fusidic acid.

51. Dimethylformamide(DMF)is widely used in leather industry, polyacrylonitrile fibre spinning and butadiene extraction craft as an important organic solvent.

52. Beans are steamed, so that dissolved caffeine rises to the surface, where it is washed off using an organic solvent called methylene chloride.

53. The type of organic solvent has considerable effect on the reaction, and the effect is mainly decided by the ability of the solvent to stabilize the phenoxy radical formed in the reaction.

54. The unrefined Veratryl alcohol extracted from fresh grape peel by organic solvent could significantly enhance Lip activity.

55. Therefore, polyhydromethylsilane in organic solvent had good extensibility and good solubility.

56. The former was shortage which consumed more organic solvent, extracted easily emulsify and foreign material were removed mis-classificated , such as saccharum and colorant .

57. Preferably, the antigenicity-reducing component is an extract of an Olea or a Ligustrum plant extracted with water or an organic solvent.

58. OBJECTIVE Found a method to determine the organic solvent residue in spectinomycin sulphate.

59. The starch-polyacrylonitrile grafting copolymers with water absorbility were prepared by one step synthesis in several aqueous organic solvent systems using ceric ammonium nitrate as the initiator.

60. Optically active ethyl(S)-3-hydroxybutyrate, a useful chiral synthon, was prepared by stereoselective reduction of ethyl acetoacetate of the bread yeast in organic solvent.

61. The esterification of organosilyl alcohol with pentanoic acid catalyzed by lipase in organic solvent was markedly influenced by water content of the reaction medium.

62. The first polyimide polymer is prepared with aromatic fluoric diamine and aromatic tetracid dihydride and through a two-step condensation reaction in organic solvent and under the action of catalyst.

63. It has high anti - corrosion for inorganic acid, organic acid and organic solvent except the hydrofluoric acid.

64. The waxes are classed as alcohol or organic solvent extracted materials.

65. Conclusion The established method is sensitive, accurate, and suitable for the determination of the organic solvent residue in cefoxitin sodium.

66. Purified preparations of the nucleocapsid of WRSV were obtained by a combination of organic solvent treatment, PEG precipitation, differential centrifugation and isoelectric precipitation.

67. This synthetic strategy compared with traditional solution protocol has advantages of no organic solvent pollution, elevated reaction rate, high yield and simple (workup) procedure.

68. Conclusion The established method is simple, shortcut and sensitive for controlling the residual volume of organic solvent of Cefotetan disodium.