Journal ArticleDOI
A column packing for isothermal gas chromatographic analysis of C1−C5 paraffins and monoolefins and dimethyl ether
L. W. Zatorski,A. Cichowlas +1 more
TLDR
An analytical GC method was developed which uses a single packed column consisting of three packings in series prepared with the following liquid phases: dimethyl sulfolane, propylene carbonate, and silver nitrate as discussed by the authors.Abstract:
An analytical GC method was developed which uses a single packed column consisting of three packings in series prepared with the following liquid phases: dimethyl sulfolane, propylene carbonate, and silver nitrate. This system provides satisfactory resolution of mixtures of C1−C5 hydrocarbons and dimethyl ether obtained when converting methanol to gasoline. Due to the high capacity of the column it is possible to inject larger sample amounts permitting trace analysis.read more
Citations
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Journal ArticleDOI
Optimization of efficiency in size-exclusion chromatography
Heinz Engelhardt,Gertrud Ahr +1 more
TL;DR: In this paper, the pore volume in the column was increased by increasing the column efficiency by reducing the particle diameter, and the column speed was increased to the minimum of the h vs. u curve at usual liquid chromatographic velocities of ca. 3 mm/sec.
Journal ArticleDOI
Pyrolysis of n-pentane on ZSM-5 zeolite
TL;DR: In this article, high catalytic activity and selectivity of H-ZSM-5 zeolite was found, and the yield of propane was about 80 wt. %.
Journal ArticleDOI
Determination Method of Hydrocarbon Compounds in DME-LPG Blending Fuels by Gas Chromatography with Deans Switching
TL;DR: In this paper, the authors proposed a DME-LPG mixture, which is anoxygen-containing compound (oxygen containing compound) containing a mixture of hydrogen and oxygen.
Journal ArticleDOI
Influence of oxygen activation on the catalytic cracking of n-pentane on zeolites
TL;DR: In this article, the catalytic cracking of n-pentane over sodium, cerium and aluminium exchanged Y zeolites and H-ZSM-5 zeolite has been studied.
References
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Journal ArticleDOI
GC Packings With Chemically-Bonded Stationary Phases
Journal ArticleDOI
The Analysis of Hydrocarbon Products Obtained From Methanol Conversion to Gasoline Using Open Tubular GC Columns and Selective Olefin Absorption
Journal ArticleDOI
GC single-run separation of C1−C10 hydrocarbons formed in gas phase radiolysis of n-pentane
TL;DR: In this paper, two columns in parallel are used for the separation of C1−C10 hydrocarbons: a SCOT column coated with Apiezon L and a packed column containing 2 m Durapak (phenylisocyanate/Porasil C) and 3 m 25% squalane on Gas Chrom P. The separation efficiency of the combined packed column is demonstrated by the analysis of radiolytic products of n-pentane.
Journal ArticleDOI
Precise gas chromatographic determination of hydrogen and C1 to C5 hydrocarbons by the simultaneous use of columns in parallel
TL;DR: In this paper, the authors developed an accurate quantitative method for analyzing hydrogen and C/sub 1/-C/sub 5/ simultaneously by splitting the carrier gas flow through parallel columns in one chromatograph to flame ionization and katharometer detectors.
Journal ArticleDOI
Separation of C1−C5 hydrocarbons in a single run
R. K. Kuchhal,K. L. Mallik +1 more
TL;DR: A combination of two columns in series, using two new stationary phases, for the separation of individual lower hydrocarbons in a mixture has been described.