carbon number

carbon number

[′kär·bən ‚nəm·bər]
(analytical chemistry)
The number of carbon atoms in a material under analysis; plotted against chromatographic retention volume for compound identification.
References in periodicals archive ?
As shown in Fig.1 and Fig.2, the RTlnVn of the material show a good linear relationship with the number of carbon number (the linear slope reflects the increment of the adsorption free energy), indicating that I G CH2 is reliable and could be used to calculate I3sd at a high confidence level.
n-Alkanes, n-alkanols, and n-fatty acids are straight chain hydrocarbons produced by many organisms and the dominant chain lengths and carbon number distributions vary depending on the source organism [25].
With the development of new alternative fuels, some of which have a near pure component nature [23], the following figures look at carbon number and molecular structure on the IGD and DCN nature.
However, in actual downsized engines where LSPI events occur, the fuel for the premixed mixture is basically gasoline, which has a higher carbon number than methane.
An energy balance of steps with production and consumption of energy was performed to obtain an equation that relates directly the chain size of a fatty acid with a carbon number multiple of 4, with the energy produced by its degradation.
The front carbon number board, as well as the carbon rear fender and seat, were hand made at Shaw.
The molecular weight of oil molecules can be characterized by the boiling point of an equivalent n-paraffin carbon number (nCy), where n means normal alkane and y denotes the number of carbon atoms (Kuhlmann & Jacques 2002).
Hence, we employ positive-ion ESI FT-ICR MS to investigate the effect of heating rate on the basic nitrogen-containing species distribution in the shale oil produced by pyrolysis of Dachengzi oil shale, China, including their relative abundance, value of rings plus double bonds (double bond equivalents, DBE) and carbon number ([C.sub.n]).
One of the most abundant lipid molecules biosynthesised by terrestrial plants and are usually characterized by odd over even carbon number predominance in the C25 to C33 carbon number range [3].
The wax biosynthesis starts with hexadecanoic acid and long chain fatty acids with an even carbon number are produced by elongation.