hexane in English
Solvents permitted in the UK for extraction include acetone, hexane , ethyl acetate, ethyl alcohol, and carbon dioxide.
Use "hexane" in a sentence
1. A solution in hexane shows an absorption maximum at approximately 470 nm
2. N-Hexane (CH14) is Aromatized to benzene (CHo) in the process shown below
3. The fatty matter undergoing analysis is heated under reflux with methanol-hexane-sulphuric acid.
4. Hexane and then acetone/water (5:1) mixture was used successively for the extraction.
5. Aliphatic solvents include white spirit, dearomatised hydrocarbons and light fractions such as hexane
6. The analytes were extracted from rat tissue with a mixture of hexane and acetone.
7. The lowest energy absorption in hexane solution in every case is the carbonyl n → π* transition.
8. The fatty substance which is being subjected to analysis is heated under reflux with methanol-hexane-sulphuric acid.
9. Commonly Encountered VOCs and Their Sources Chemical Acetone Aliphatic hydrocarbons (octane, decane, undecane hexane, isodecane, mixtures, etc.)
10. The present invention relates to a quaternary chrome series catalyst for ethylene trimerization to prepare 1-hexane.
11. Objective:To demonstrate relative changes and characteristics of electroneurograms and electromyograms(EMGs) in patients with n-hexane chronic intoxication.
12. Large and small Antechambers, -35C freezer SECA Solvent System containing THF, Diethyl Ether, Methylene Chloride, Acetonitrile, Toluene, Hexane, DME, and Pentane
13. Only the following solvents may be used in the extraction: ethylacetate, acetone, carbon dioxide, dichloromethane, n-butanol, methanol, ethanol, hexane.
14. Catalyst, consisting of titanium tetrachloride and magnesium chloride, containing by weight on an oil- and hexane-free basis:
15. 11 Conclusion Polymorphonuclear leukocyte chemotaxis might be the effect biomarker of n-hexane but needs to be explored father.
16. Aliphatic compounds may be saturated (e.g., hexane and other alkanes) or unsaturated (e.g., hexene and other alkenes, as well as alkynes)
17. The mineral oil system consists of an absorption column, where the hexane is absorbed by cold, food grade mineral oil.
18. Only the following solvents may be used in the extraction: ethylacetate, acetone, carbon dioxide, dichloromethane, n-butanol, methanol, ethanol, hexane, propan-2-ol.
19. Another mutant, 1-12G, hydroxylates alkanes larger than hexane primarily at the 2-position, but forms R-2-alcohols (40-55% ee).
20. However, the low molecular weight fractions extracted from the photodegradation products using hexane showed Biodegradabilities of 8 to 18% within the same 21-d period
21. Acetonitrile Nitromethane Diehylamine Aniline Dimethylsulfoxide Ethylacetate Dioxane Acetone Dicholoroethane Tetrahydrofuran Dicholoromethane Chloroform Diethylether Benzene Toluene Xylene Carbontetrachloride Cyclohexane Petroleum ether Hexane Pentane Non-polar Polar
22. To extract the fatty acids, shake the solution once with # ml and twice with # ml n-hexane in a separating funnel of appropriate dimensions
23. Table 3. Commonly Encountered VOCs and Their Sources Chemical Source Acetone Paint, coatings, finishers, paint remover, thinner, caulking Aliphatic hydrocarbons (octane, decane, undecane hexane, isodecane, mixtures, etc.)
24. Chiral crystals of “meso”-1,1′-bi(9,10-dihydro-9,10-ethano-anthryl) (1a) were obtained optically active by crystallization from chloroform/hexane by the vapor diffusion method (orthorhombic space group P212121).
25. Composition including castor oil extracted from castor beans using hexane, undecylenic acid, propyl alcohol, propylene glycol, and water for external use on skin for preventing or treating athlete's foot
26. Similarly, water and hexane (or vinegar and vegetable oil) are not miscible with each other and will quickly separate into two layers even after being shaken well.
27. Other articles where Petroleum Benzin is discussed: fat and oil processing: Processes: …especially the various grades of petroleum Benzin (commonly known as petroleum ether, commercial hexane, or heptane)
28. EPH Aliphatics certified reference material, 1000 μg/mL in hexane; find Supelco-UST126 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.
29. Commonly Encountered VOCs and Their Sources Chemical Source Acetone Paint, coatings, finishers, paint re-mover and thinner, and caulking Aliphatic hydrocarbons (octane, decane, undecane hexane, isodecane, mixtures etc.)
30. The methanol extract was evaporated and partitioned with n-hexane, benzene, trichloromethane, ethyl acetate and n-butanol, Consecutively. Intron positions were numbered Consecutively beginning at the N-terminus of the alignment.
31. It differs from other oligocarbophilic actinomycetes in its colony form, its ability to oxidize hexane, heptane and octane, and its inability of growing on glycerol potatoe slants, potatoe slants or blood agar.
32. The present invention provides the composition for the antifreeze liquid or the coolant comprising: (a) a glycol-based antifreeze agent; (b) a cyclo hexane dicarboxylic acid; and (c) a non-reduced polyol.
33. Among the plants tested, maximum Antifeedant activity was noted in five promising plants viz., ethyl acetate extract of Strychnos nuxvomica (88.98), hexane extracts of Vitex negundo (86.41) and Murraya koeingii (81.46), ethyl acetate extract of Zanthoxylum
34. Allow the solvent to flow away until it reaches 1 mm above the upper level of the absorbant then percolate a further 70 ml of n-hexane in order to eliminate the n-alkanes naturally present.
35. The composition of the present invention relates to a composition including castor oil extracted from castor beans by using hexane, undecylenic acid, propyl alcohol, propylene glycol, and water for external use on the skin for preventing or treating athlete's foot.
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37. Among the constituent components of the composition, the castor oil extracted from castor beans using hexane exhibits better antifungal activity compared to that of castor oil extracted using a compression method at a high temperature under high pressure.
38. Larvicidal activity of crude hexane, ethyl acetate, petroleum ether, acetone, and methanol extracts of the leaf of five species of Cucurbitaceous plants, Citrullus colocynthis, Coccinia indica, Cucumis sativus, Momordica charantia, and Trichosanthes anguina, were tested against the early fourth instar larvae of Aedes aegypti L
39. In order to prepare 2,5-dimethyl-2,5-di-t-butylperoxy-hexane, 2,5-dimethyl-1,5-hexadiene is reacted with t-butylhydroperoxide in the presence of an electron pair acceptor Lewis under acid catalysis conditions in a substantially water-free solvent.
40. ‘In Aqueous solutions, water is the solvent and all dissolved substances are solutes.’ ‘The electrodes are immersed in Aqueous sulfuric acid, which acts as the electrolyte.’ ‘In summary, the sample was denatured with Aqueous ammonium sulfate and ethanol and was extracted with hexane.’
41. ‘In Aqueous solutions, water is the solvent and all dissolved substances are solutes.’ ‘The electrodes are immersed in Aqueous sulfuric acid, which acts as the electrolyte.’ ‘In summary, the sample was denatured with Aqueous ammonium sulfate and ethanol and was extracted with hexane.’
42. It was found that a complete assessment of the extracts can only be obtained if the polar primary glycosides are developed with ethylmethylketone; water (94.6∶5.4) and the lower polar secondary glycosides and the aglycones with ethyl acetate: n-hexane: ethanol (65∶15∶10).
43. The invention concerns an anti-adiposis topical treatment composition comprising an efficient amount of at least an active anti-adiposis agent selected among Allium sativum bulb extracts except an hexane-extracted oleoresin extract, and a cosmetically or pharmaceutically acceptable carrier adapted for external use topical application, in particular on the skin.
44. Four triterpene Acetates, alpha-amyrin acetate (1a), beta-amyrin acetate (2a), lupeol acetate (3a), and butyrospermol acetate (4a), and four triterpene cinnamates, alpha-amyrin cinnamate (1c), beta-amyrin cinnamate (2c), lupeol cinnamate (3c), and butyrospermol cinnamate (4c), were isolated from the kernel fat (n-hexane extract) of the shea tree (Vitellaria paradoxa; Sapotaceae).
45. Order No Tariff heading and descriptions of the compensating products Processing operations from which they result (1) (2) (3) '65 ex 2806 10 00 Hydrochloric acid Manufacture of various chemical products from fluorspar, hydrogen fluoride, 2,6-diisopropylaniline, silicon tetrachloride or acetanilide 95 ex 3823 90 98 Residues Manufacture of 1,4-butanediol, 1,4-butenediol and tetrahydrofuran from methanol, and manufacture of pentane-1,5-diol and hexane-1,6-diol from a mixture of diols';
46. Let's see how to approach an intramolecular Aldol condensation so over here on the Left we have a two five hexane diode and if we add sodium hydroxide and we heat things up we would form this compound over here on the right so we would actually form a ring let's go ahead and number our our diamond over here it's symmetrical so we could start from either side so I could say this is carbon one