Using a specific and sensitive gas chromatography-mass spectrometry technique pentane concentrations in breath were lower than 10 pmoles/1. The high levels of pentane found by some authors in healthy humans were probably due to the coelution of pentane with isoprene, a volatile hydrocarbon present ...
aweight memo in 3 originals indicating quantity 重量备忘录在表明数量的3件原物[translate] aThe diluent should be a saturated aliphatic or saturated cycloaliphatic hydrocarbon having 4 to about 20 carbon atoms such as pentane,isopentane hexane,heptane,isooctane,cyclophtane,cyclohexane,cyclooctane,decahydrona...
aThe diluent should be a saturated aliphatic or saturated cycloaliphatic hydrocarbon having 4 to about 20 carbon atoms such as pentane,isopentane hexane,heptane,isooctane,cyclophtane,cyclohexane,cyclooctane,decahydronaphthalene,decane,hexadecane,and the like. 稀释剂应该是饱和的脂肪族或饱和的cycloaliphatic碳氢...
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Several compounds in chemistry which are made by the combination of carbon and hydrogen are named hydrocarbon. On the basis of the presence of bonds between the bonds, they can be categorized very easily.Answer and Explanation: Become a member and unlock all Study Answers Start today. Try ...
aThe diluent should be a saturated aliphatic or saturated cycloaliphatic hydrocarbon having 4 to about 20 carbon atoms such as pentane,isopentane,hexane,hepane,isooctane,cyclopentane,cyclohexane,cyclooctane,decahydronaphthalene,decane,hexadecane,and the like. 稀释剂应该是饱和的脂肪族或饱和的cycloaliphatic碳氢化...
Pentane is a hydrocarbon containing carbons and bonds. A hydrocarbon containing one double bond per molecule is called a(n) ___. a. alkene b. alkyne c. alkane d. cyclic hydrocarbon e. saturated hydrocarbon A hydrocarbon containing one double bond per molecule is called a(n): ...
and in chemistry designating specifically that variety of metameric hydrocarbons which, when the name was applied, had been recently classified, and in which at least one carbon atom in connected directly with four other carbon atoms; -- contrasted with normal and iso-; as, neopentane; the neo...
塔底为脱戊烷油,即芳烃抽提的进料 After separates the rich hydrogen body to rally the production oil to enter escapes the pentane tower, the tower goes against branches out ≤C5 the light component, the tower bottom for escapes the pentane oil, namely aromatic hydrocarbon extraction feeding[...
1-(1-Methylethyl)-2-(2-methylpropyl) cyclohexaneA hydrocarbon (R) has six membered ring in which there is no unsaturation.Two alkyl group are attached to the ring adjacent to each other.One group has 3 carbon atoms with branching at 1^(st) carbon and a