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7369945 |
Apparatus and method for storing and transporting data related to vapor emissions and measurements thereof
The present invention provides apparatus and a methods for collecting, transmitting and storing fugitive gas emission data. An embodiment of the invention collects fugitive gas with a sampling...
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6904785 |
Method by analysis by on-line chromatography for the polymerization of olefins
A method for the analysis by on-line gas phase chromatography of a gaseous phase produced by an olefin polymerization process which includes carrying out a chromatographic analysis of a gaseous...
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6726882 |
Hydrocarbon detector device
A hydrocarbon detector ( 20 ) includes a gas stream delivery element ( 26 ) configured to discharge a carrier gas ( 70 ) onto a surface ( 24 ). The carrier gas ( 70 ) serves to volatilize a...
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6104299 |
Device for monitoring pollution caused by motor vehicles in an urban area
Apparatus for monitoring pollution generated by motor vehicles in an urban area, said area being equipped with a plurality of items of street furniture, each of which is provided with data...
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6000274 |
Method for automatically detecting total hydrocarbon content and individual volatile organic compound concentrations of waste gas
A method for automatically detecting waste gas. The waste gas is led into a multiple switching valve through which the waste gas is sampled. Then, the waste gas sample is conveyed to an empty...
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5659126 |
Gas chromatograph techniques for on-line testing of transformer faults
A gas chromatograph measures the gas concentration levels of fault gases contained in the gas within a headspace above the electrical insulating oil supply contained in a power transformer. An...
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5394733 |
Quantitative pyrolysis-gas chromatography using diamondoid compounds
A method for the quantitative determination of oil and gas formation in pyrolysis-gas chromatography. A diamondoid compound, such as adamantane, is used as an internal standard in pyrolysis-gas...
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5390551 |
Method and apparatus for the analysis of gas in a medium, especially hydrocarbons
A method for determining the concentration of a monitored gas in the head space of a confined space containing a medium material at a given temperature (T 1 ), includes the steps of: (a) providing...
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5373725 |
O-FID analytical equipment and method
An anlytical equipment and method for the selective detection of individual oxygenated compounds in complex organic mixtures, in particular fuels, comprising, downstream an equipment of...
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5229298 |
Method of analyzing marker dye concentrations in liquids
A method for determining the concentration of a tracer, e.g. nitrogen-bearing marker dye, in a hydrocarbon liquid, e.g. gasoline. In the present method, a sample of the marked hydrocarbon liquid...
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5049509 |
Chromatographic analyzer
Methods and apparatus for analyzing a hydrocarbon sample are provided. The apparatus employs a highly polar column to separate the aromatics from non-aromatic components. The non-aromatic effluent...
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4986110 |
Method and apparatus for taking samples of and for analyzing hydrocarbons
A method for taking samples of and for analyzing fluid hydrocarbons, whereby the sample is collected by sorption, is transported to an analysis equipment, and is analyzed; and an apparatus suitable...
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4864843 |
Method and apparatus for chromatographic analysis, in particular of petroleum liquids
A liquid sample to be analyzed is subjected to a vaporizing step. The vaporized components are submitted to a first separation stage by introducing said components into a packed chromatography...
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4534207 |
Reformer process analyzer
An apparatus for analyzing a hydrocarbon sample comprising paraffins, naphthenes and aromatics. The subject apparatus comprises means for providing a sample, a polar column, a 13X molecular sieve...
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4463096 |
Petroleum source rock identification
The geochemical oil prospecting method is disclosed in which a crude oil sample is analyzed for the presence of distinctive patterns of aromatic sulfur compounds which are indicative of the...
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4452067 |
Apparatus for analysis of a vapor phase sample
The present analyzing apparatus provides a means for vapor phase analysis of process streams containing a non-condensable phase, and a condensable phase wherein the phases are variously comprised...
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4384471 |
Chromatographic analysis of hydrocarbon mixtures
The paraffin, olefin and aromatic compounds in a gasoline containing hydrocarbons up to about C 13 can be analyzed and identified by gas liquid chromatography. The aromatics are reversibly...
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4367645 |
Hot gas sampling
Apparatus and method are provided to achieve efficient on-line sampling of hot effluent gases from high temperature reactors. A heated transfer valve is movable between sampling and injection...
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4366710 |
Method for measuring vapor pressure
Determining saturation vapor pressure of a hydrocarbon mixture by chromatographic analysis of the mixture, recording n-paraffin positions on said analysis establishing n-paraffin bisectors halfway...
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4338811 |
Method and apparatus for diagnosis of disease
A disease diagnostic method and apparatus in which a two-dimensional pattern diagram representing the relation between integrated values of peaks and the retention times in a chromatogram of...
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4287752 |
Apparatus and method for analyzing the hydrocarbon type composition of gasoline
Disclosed is a method and an apparatus for analyzing the composition of a gasoline-range petroleum product using a new copper on silica gel adsorption composition. The copper on silica gel...
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4251870 |
Control of gasoline manufacture
A system for predicting the octane number of a substantially olefin-free gasoline or gasoline component. A sample of reformed gasoline is analyzed by means of a gas chromatograph in order to...
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4003257 |
Analysis of volatile organic compounds
System and method for reproducibly analyzing, both qualitatively and quantitatively, trace amounts of a large number of organic volatiles existing in a gas sample. Applications include (1)...
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3940972 |
Chromatographic separation of olefins
A mixture of olefins is separated and analyzed by means of a chromatographic column which contains silver trifluoromethanesulfonate.
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3927978 |
Electrolytic stripping cell and method
A cell useful, for example, in analyzing sea water for the presence of dilved hydrocarbons, electrolytically generates hydrogen gas bubbles which strip hydrocarbons from the sea water. The...
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3790348 |
APPARATUS FOR DETERMINING THE CARBON MONOXIDE, METHANE AND TOTAL HYDROCARBONS CONTENT IN AIR
An air sample to be analyzed for carbon monoxide and methane is delivered to a chromatograph column that is connected by a reactor with a hydrogen flame ionization detector. The reactor converts...
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3753653 |
METHOD AND APPARATUS FOR GASEOUS-PHASE CHEMICAL REACTION ANALYSIS
Method and apparatus for gas analysis by chemical reaction in the gas phase, and determination of the components by chromatographic detecting means, comprising the steps of injecting a sample into...
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3753656 |
GAS CHROMATOGRAPH
The inventive gas chromatograph employs the response of a flame ionization detector to test air and liquid and gaseous oxygen and nitrogen for the presence and amounts of the following impurities:...
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3714812 |
ELECTRON CAPTURE IDENTIFICATION APPARATUS
An electron capture identification apparatus for identifying labelling additives which comprises a revolving gas/liquid chromatographic tube magazine for receiving samples from the sampling...
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3462261 |
ANALYSIS METHOD EMPLOYING IONIZATION POTENTIAL OF METASTABLE KRYPTON ATOMS FOR DETECTING UNSATURATED COMPOUNDS
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3462761 |
AUTOMATIC MUD LOG PRINTOUT SYSTEM
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3435659 |
RETENTION SPECTRUM ANALYSIS APPARATUS
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3405550 |
Chromatographic method and apparatus for determining trace concentrations of water
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3345858 |
Continuous chromatographic analysis
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3345859 |
Chromatographic analysis with automatic baseline compensation
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3345137 |
Geochemical method of prospecting for petroleum
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3336792 |
Method of analyzing soil gases
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3307912 |
Method for analyzing soil gas
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3302706 |
Soil gas prospecting for petroleum
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3263493 |
Gas chromatograph moisture analyzer
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3212322 |
Chromatographic separation process and apparatus therefor
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3196664 |
Process of employing frontal analysis chromatography in well logging
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3111835 |
Hydrocarbon gas chromatography and apparatus
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3111025 |
Chromatographic separation process
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3021263 |
Fractionation column control
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2985007 |
Chromatography method
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2901329 |
Combustibles detector for gas chromatography
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2875849 |
Analysis of gaseous mixtures
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2869672 |
Continuous gas absorption process and apparatus
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2813010 |
Gas analysis
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