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Normal Alkanes | Industrial & Engineering Chemistry
Frontiers of Materials Science in China 2008, 2 (2) , 120-133. DOI: 10.1007/s11706-008-0022-8. Marcus Lehto, Jan-Ake Schweitz, Greger Thornell. Binary Mixtures of n-Alkanes for Tunable Thermohydraulic Microactuators. Journal of Microelectromechanical Systems 2007, 16 (3) , 728-733. DOI: 10.1109/JMEMS.2007.893516.
Alkane Standard at Thomas Scientific
Density: 0.684 g/mL at 20 °C Components: contains C 10 and all even n-alkanes from C 20 to C 40, 50 mg/l in n-heptane each Compare this item "Alkane standard solution C8-C20, standard for GC"
Normal-alkane products (also referred to as norpars from the name of a brand of normal-alkane solvents marketed by Exxon Mobil) result in the simplest of chromatographic data of all petroleum products.N-alkanes are ultra-pure petroleum products that generally consist of three to five n-alkanes either in series or where every other one is missing (see Figure 9-32).
Alkane - chemeurope.com
Straight-chain alkanes are sometimes indicated by the prefix n-(for normal) where a non-linear isomer exists. Although this is not strictly necessary, the usage is still common in cases where there is an important difference in properties between the straight-chain and branched-chain isomers, e.g., n -hexane or 2- or 3-methylpentane.
Normal alkanes eluting between n-C 9 and n-C 44 can dominate unweathered crude oils (Figure 5.2 A). Middle-weight petroleum distillates exhibit normal alkanes, acyclic isoprenoids, and cyclic alkanes within the distillation range of the product. For example, diesel fuel oil exhibits normal alkanes eluting between n-C 8 and n-C 28 (Figure 5.2 B).
Properties of Alkanes - Chemistry LibreTexts
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Alkanes - Chemistry A-Level Revision
Alkanes Alkanes are generally unreactive. Alkanes contain only C–H and C–C bonds, which are relatively strong and difficult to break. The similar electronegativities of carbon and hydrogen give molecules which are non-polar. Alkanes are the typical ‘oils’ used in many non-polar solvents and they do not mix with water.
Organic Chemistry: Structure of Alkanes: Introduction to
Cyclic alkanes will be considered separately later in this chapter. All acyclic alkanes (unbranched and branched) have the characteristic molecular formula C n H (2n + 2), where n is the number of carbon atoms in the chain. gives the molecular formulas and Lewis structure for the unbranched, or n-alkanes (n stands for normal).