Patents
Patents for G01N 30 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography (41,194)
01/1984
01/17/1984US4426232 Adsorption, desorption, flushing
01/17/1984US4425810 Apparatus for physical properties measurements at high temperatures and pressures
01/10/1984US4425438 Assay method and device
01/03/1984US4424132 Apparatus and method for separating blood components
01/03/1984US4424127 Column for liquid and gas chromatography
12/1983
12/27/1983US4422942 Method for liquid chromatography
12/27/1983US4422941 Rotation, synchronization, receptacles
12/27/1983US4422860 On-column capillary gas chromatographic injector
12/20/1983US4421719 Colorimetric indicators
12/20/1983CA1158894A2 Chromatographic cartridge and holder
12/20/1983CA1158891A1 Selective photoionization gas chromatograph detector system
12/13/1983US4420690 Spectrometric microsampling gas cells
12/13/1983US4420679 Gas chromatographic oven using symmetrical flow of preheated - premixed ambient air
12/13/1983US4420393 Pump for liquid chromatography and a chromatograph including the pump
12/06/1983US4419452 Method of detecting fluorescent materials and apparatus for their detection
11/1983
11/30/1983EP0094969A1 Method for eluting samples through a chromatographic column
11/29/1983US4418039 Evaporation, redissolving on a membrane
11/24/1983WO1983004103A1 Grafted chromatographic filler and method for analyzing enantiomer mixture using same
11/22/1983US4416783 Liquid chromatography column, process for preparing the same and its use for fractionation
11/15/1983US4415631 Porous inorganic support material coated with an organic stationary phase, for use in chromatography, and process for its preparation
11/15/1983US4415265 Method and apparatus for aerosol particle absorption spectroscopy
11/15/1983US4414857 Method and apparatus for injecting samples into gas chromatograph
11/15/1983US4414842 Ion exchange chromatography with indirect photometric detection
11/10/1983WO1983003776A1 Lectin-containing separation agent
11/08/1983US4414108 Centrifuge system
11/08/1983US4413534 Sample transport mechanism
11/08/1983US4413505 Electrochemical flow cell, particularly use with liquid chromatography
11/08/1983US4413504 Liquid-phase chromatography detector
11/02/1983EP0092860A1 Pre-column for preconcentrating substances to be chromatographed, as well as device for a liquid chromatography system and coupling member for said device
11/02/1983EP0092779A1 Miniature gas chromatograph apparatus
11/01/1983US4413185 Selective photoionization gas chromatograph detector
10/1983
10/26/1983EP0091928A1 Method and device for continuous, automatic air analysis.
10/25/1983US4411793 Process for the separation of elements by chromatography
10/25/1983US4411789 Magnetic resonance chromatography
10/18/1983US4410271 Multiple-reflection optical gas cell
10/18/1983US4409814 Gas extracting device
10/18/1983CA1155403A1 Treatment apparatus
10/18/1983CA1155317A1 Micro cleanup and concentration apparatus for trace residue analysis by gas liquid chromatography
10/13/1983WO1983003498A1 Mass-spectrometric method of analysis
10/13/1983WO1983003474A1 Chromatography stick and method for developing sample using the same
10/05/1983EP0089959A1 A method for laser induced fluorescence detection in preferably liquid chromatography and a device for the performance of the method
09/1983
09/28/1983EP0089424A1 Improvements in and relating to a scintillation counting method and an evaporator for use therewith
09/28/1983EP0089356A1 Method and device for the sampling of trace elements in gas, liquids, solids or in surface layers.
09/27/1983US4406158 Apparatus and method for temperature correction of liquid chromatography
09/27/1983CA1154420A1 Filter for sorption of heavy metals
09/27/1983CA1154282A1 Chromatographic separation and quantitative analysis of ionic species
09/21/1983EP0089255A1 Chromatography apparatus and method of operating the same
09/21/1983EP0089157A1 Optical detector cell
09/20/1983US4405344 Pulsation of liquids in container with small diameter necks
09/20/1983US4405235 Liquid cell for spectroscopic analysis
09/20/1983US4404845 Thermal regulator for liquid chromatographs
09/14/1983EP0088628A2 Automated metal detection
09/14/1983EP0088439A2 Gas chromatographic apparatus
09/13/1983US4404065 Flow cell for liquid chromatography
09/13/1983US4403520 Control valve for a direct on-column injector and injection method
09/13/1983US4403503 Apparatus and method for the reduction of interferences in chromatography
09/13/1983CA1153502A1 Flexible absorbent boards
09/07/1983EP0087786A1 Agarose-polyaldehyde beads, process for their production and their use
09/07/1983EP0087598A2 Capillary tubing and small rod connector
09/07/1983EP0087570A1 Column injection apparatus
09/06/1983US4403147 Apparatus for analyzing liquid samples with a mass spectrometer
09/06/1983US4403039 Method and apparatus for analysis of ionic species
09/06/1983US4402832 High efficiency continuous separation process
08/1983
08/31/1983EP0087214A1 On-column capillary gas chromatographic injector
08/24/1983EP0086421A2 A chamber for chromatographic analyses
08/23/1983US4399688 Air pollution detection
08/23/1983US4399686 For anaesthetics, substrate coated with silicone glycol copolymer
08/23/1983CA1152501A1 Separation of fructose from a mixture of sugars
08/17/1983EP0086068A2 Continuous chromatographic separations in a magnetically stabilized fluidized bed
08/16/1983US4399227 Reacting the hemolysate with a primary amine and hydrazing to eliminate the unstable aldimine form
08/16/1983US4399032 Chromatographic column terminator element and assembly
08/10/1983EP0085172A1 Control circuit for liquid chromatograph
08/10/1983EP0085171A2 Solvent delivery system
08/09/1983US4398152 Photoionization detector
08/09/1983CA1151644A1 Process for separating ketose-aldose mixtures by selective adsorption
08/09/1983CA1151559A1 Method and apparatus for sonic separation and analysis of components of a fluid mixture
08/03/1983EP0085023A1 Process for the separation of enantiomers by partition between liquid phases
08/02/1983US4396718 Field test method for estimation of concentration of organic materials in water
08/02/1983US4396528 Fluorescent composition, a process for synthesizing the fluorescent composition
07/1983
07/19/1983US4394487 Adsorbent for the affinity-specific separation of macromolecular materials
07/19/1983US4394353 Complexing agent
07/19/1983US4394263 Connecting device for pneumatic and/or hydraulic circuits in column chromatography
07/19/1983US4393726 Sampling valve useful in liquid chromatography
07/13/1983EP0083524A1 Installation for controlling the continuous functioning of a chromatographic system
07/12/1983US4392873 Countercurrent flow, thermal gradients
07/05/1983US4391778 Method and apparatus for the analysis of materials by chromatography and mass spectrometry
07/05/1983US4391649 Process for regenerating a strongly acidic cation exchange resin
07/05/1983US4391390 Chemical-mixing and dispensing apparatus
07/04/1983EP0071645A4 Double beam photometer for measuring fluid samples.
06/1983
06/29/1983EP0082263A1 Sample introduction for chemical analysis by spectrometry/liquid chromatography
06/28/1983US4390691 Dissolving in chlorinated hydrocarbon, forming droplets, saponification
06/28/1983CA1148764A1 High temperature injection and vaporization system for gas chromatography
06/23/1983WO1983002160A1 Method for eluting samples through a chromatographic column
06/22/1983EP0082079A1 Process for etching and deactivating glass capillaries for chromatography
06/21/1983US4389670 Electronic method for autofluorography of macromolecules on two-D matrices
06/21/1983US4389491 Method and kit for chromatographic separation of hemoglobin A1c
06/21/1983US4389316 Method and a device for liquid chromatography
06/21/1983US4389313 Chromatographic column with improved seals
06/21/1983US4389163 Pressure booster system for fluids
06/15/1983EP0081315A2 Sedimentation field flow fractionation