standard heptane

См. также в других словарях:

• heptane — [hep′tān΄] n. [ HEPT(A) + ANE] an alkane, C7H16, existing in several isomeric forms: the normal isomer is used in standard mixtures to test octane ratings …   English World dictionary

• Heptane — n Heptane Identifiers CAS number …   Wikipedia

• Standard enthalpy change of formation (data table) — These tables include heat of formation data gathered from a variety of sources, including the primary and secondary literature, as well as the NIST Chemistry WebBook. Note that the table for Alkanes contains ΔHfo values in kcal/mol, and the table …   Wikipedia

• Octane rating — or octane number is a standard measure of the anti knock properties (i.e. the performance) of a motor or aviation fuel. The higher the octane number, the more compression the fuel can withstand before detonating. In broad terms, fuels with a… …   Wikipedia

• Alkane — Not to be confused with Alkene or Alkyne. Chemical structure of methane, the simplest alkane Alkanes (also known as paraffins or saturated hydrocarbons) are chemical compounds that consist only of hydrogen and carbon atoms and are bonded… …   Wikipedia

• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

• octane number — (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics. Also called octane rating.… …   Universalium

• 7 (number) — Seven redirects here. For other uses, see Seven (disambiguation). 7 −1 0 1 2 3 4 5 6 7 8 9 → List of numbers Integers …   Wikipedia

• Antiknock agent — An antiknock agent is a gasoline additive used to reduce engine knocking and increase the fuel s octane rating. The mixture known as gasoline, when used in high compression internal combustion engines, has a tendency to ignite early (pre ignition …   Wikipedia

• Hexane — n Hexane …   Wikipedia

• Cycloalkane — Ball and stick model of cyclobutane Cycloalkanes (also called naphthenes not to be confused with naphthalene) are types of alkanes that have one or more rings of carbon atoms in the chemical structure of their molecules. Alkanes are types of… …   Wikipedia