| 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) |
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| 05/19/1987 | US4666858 Adjusting ph; extracting; measuring spectrophotometrically |
| 05/19/1987 | US4666856 SO2 determination by adsorption using ion exchange resin with pH buffered capacity |
| 05/19/1987 | US4666776 Polymers for the purification of acarbose |
| 05/19/1987 | US4666604 New elution complex more especially for affinity chromatography and affinity precipitation |
| 05/14/1987 | DE3539060A1 Chromatography column tubes |
| 05/13/1987 | EP0221780A2 Porous silica microspheres having silanol-enriched and silanized surfaces |
| 05/12/1987 | US4665164 Etherification; chromatography |
| 05/12/1987 | US4664806 Ethers having carboxy, thio, and amide groups |
| 05/07/1987 | WO1987002594A1 Chromatography column using horizontal flow |
| 05/06/1987 | EP0220719A2 Cyclodextrin absorbing material and its use |
| 05/06/1987 | EP0220666A2 Automatic on-line chemistry monitoring system |
| 05/06/1987 | CN85103044A Fast testing technology of rapeseed (oil) erucic acid |
| 05/05/1987 | US4663297 Temperature programmed spectroscopy techniques |
| 05/05/1987 | US4663163 Modified polysaccharide supports |
| 05/05/1987 | US4662914 Flow restrictor at inlet to ionization chamber of spectrometer |
| 04/28/1987 | US4661248 Sulfonic derivatives of acylated polyethyleneimine bonded phase silica products |
| 04/28/1987 | US4661138 Method of strengthening the alkali resistance of a porous glass |
| 04/28/1987 | US4660974 Arrangement for determining the spectral characteristic of the refractive index of a fluid |
| 04/28/1987 | CA1221080A1 Fibrous media containing millimicron-sized particulates |
| 04/28/1987 | CA1221037A1 Separation process |
| 04/23/1987 | DE3628474A1 Liquid chromatography column and device for using it |
| 04/22/1987 | EP0219102A2 Process for injecting a minute volume of a solution and an apparatus therefor |
| 04/22/1987 | EP0218848A2 Method for detecting phosphorus segregates in metallic material |
| 04/21/1987 | US4659934 Method and apparatus for reducing Schlieren noise in a liquid chromatograph |
| 04/21/1987 | CA1220700A1 Aqueous solution as an eluant used in liquid chromatography |
| 04/15/1987 | EP0218163A2 Apparatus and method for liquid chromatography |
| 04/15/1987 | EP0218089A1 Optically active (meth)-acryl amide, polymers thereof, process for their preparation and their use in the separation of racemates |
| 04/14/1987 | US4658000 Polyacrylamide adhesive for fixing the sorbent layers of overpressured, one-and multilayer-chromatographic plates and a process for the preparation thereof |
| 04/14/1987 | US4657742 High packing density |
| 04/14/1987 | US4657676 Liquid chromatography |
| 04/09/1987 | WO1987001956A1 Apparatus for, and methods of, operating upon a fluid |
| 04/08/1987 | EP0217614A2 Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing it |
| 04/08/1987 | EP0217510A2 Anthraquinone derivatives |
| 04/08/1987 | EP0217318A2 Apparatus and method for liquid chromatography |
| 04/08/1987 | CN85107185A Injecting apparatus for liquid sample |
| 04/07/1987 | US4656141 High-performance liquid chromatography process and apparatus and composition of matter therefor |
| 04/07/1987 | US4656140 Absorption of acetic acid by soda lime before measurement of alcohol |
| 04/07/1987 | US4655917 Can be hand tightened; reusing end fittings |
| 04/07/1987 | US4655095 Compound valve |
| 04/07/1987 | CA1220053A1 Method for chromatographic analysis and apparatus therefor |
| 04/02/1987 | DE3632226A1 Solubilisation chromatograph |
| 04/01/1987 | EP0216730A2 Porous spherical glass filtrating beads and method for the manufacturing thereof |
| 04/01/1987 | EP0216278A2 Spherically shaped silica particles |
| 03/31/1987 | US4654504 Water-cooled gas discharge detector |
| 03/31/1987 | US4654125 Potentials, electrolysis, currents |
| 03/31/1987 | US4654052 Interfaces, chromatography, mass spectrometry |
| 03/25/1987 | EP0215525A2 Liquid chromatograph |
| 03/25/1987 | EP0215432A2 Analysis method and analysis equipment for hop bittering components |
| 03/24/1987 | US4652674 Method for monitoring the fluorescence of 4-carboxy-p-terphenyl in crude terephthalic acid |
| 03/24/1987 | US4652642 Azidobenzazepines |
| 03/24/1987 | US4652364 Plurality of semipermeable membrane tubes |
| 03/24/1987 | US4652354 Process for moulding gels usable for thin layers electrophoresis and use thereof |
| 03/24/1987 | US4652280 Adsorption material for olefins, gas chromatography column, method of selectively removing olefins from a mixture of hydrocarbons |
| 03/24/1987 | CA1219569A1 Process and device for filling chromatography columns |
| 03/24/1987 | CA1219468A1 Solute focusing technique for on-column injection in capillary gas chromatography |
| 03/18/1987 | EP0214237A1 Method and apparatus for analyzing gases dissolved in a liquid sample. |
| 03/18/1987 | CN85106413A Ceramic articles having a nonporous core and porous outer layer |
| 03/17/1987 | US4651008 Sample inlet system for an electron capture detector |
| 03/17/1987 | US4650964 Electrically heated transfer line for capillary tubing |
| 03/17/1987 | US4650784 Bonded phase of silica for solid phase extraction |
| 03/17/1987 | US4650588 Variations in electrical resistance of eluant drops |
| 03/17/1987 | US4650499 Gas chromatographic apparatus and method |
| 03/12/1987 | WO1987001452A1 Mass spectroscope |
| 03/10/1987 | US4649124 Chromatography |
| 03/10/1987 | US4648260 Helium detector |
| 03/10/1987 | CA1218875A1 System and apparatus for multi-dimensional real-time chromatography |
| 03/03/1987 | US4647772 For the analysis of a liquid sample having an ion source |
| 02/26/1987 | WO1987001204A1 Chemical analysis by controlled sample modulation and detection correlation |
| 02/26/1987 | WO1987001133A1 Process for identifying compounds which can absorb or release elections after catalysis by elections |
| 02/26/1987 | DE3530076A1 Verfahren zum nachweis von verbindungen, die katalysiert durch enzyme elektronen abgeben oder aufnehmen koennen Can deliver or store method for detecting compounds which are catalyzed by enzymes electron |
| 02/26/1987 | DE3529670A1 Micro-COD apparatus for hydrogen chloride absorption |
| 02/25/1987 | EP0211411A2 Method and apparatus for performing novel high-performance liquid chromatography |
| 02/25/1987 | EP0211223A2 Spherical grains of poly(alpha-amino acid)and production method thereof |
| 02/25/1987 | EP0211206A1 Packed fiber glass reaction vessel and method of preparation |
| 02/24/1987 | US4644807 Fluid sample delivery apparatus |
| 02/24/1987 | CA1218472A1 Method and apparatus for the mass spectrometric analysis of solutions |
| 02/17/1987 | US4643814 Structure selective fibrous sorbents and method and apparatus for using the same |
| 02/17/1987 | US4643651 Constant flow rate liquid pumping system |
| 02/17/1987 | US4643649 Digital control for rapid refill of a liquid chromatograph pump |
| 02/17/1987 | US4643570 Through-flow cuvette |
| 02/10/1987 | US4642169 Continuous rotating electrophoresis column and process of using |
| 02/10/1987 | US4641541 Internal mass spectrometer interface to a gas chromatograph |
| 02/10/1987 | CA1217728A Automatic installation for liquid chromatography |
| 02/10/1987 | CA1217654A Analysis of organic additives in plating baths using novel chromatographic methods in a mass balance approach |
| 02/10/1987 | CA1217651A Method for rapid determination of the contents of lignin, monosaccharides and organic acids in the process solutions of sulfite pulping |
| 02/03/1987 | US4640909 Chromatographic purification of urien samples for cannabinoid analysis |
| 01/29/1987 | DE3625281A1 Image processor with colour discrimination - has photoelectric members receiving colour-differentiated image from original document, and standardising members for image signal |
| 01/27/1987 | US4639601 Apparatus for detecting and determining the distribution of radioactivity on a medium |
| 01/27/1987 | US4639513 Chromatographic purification |
| 01/24/1987 | CN85101476A Liquid color layer analyzer |
| 01/24/1987 | CN85101449A Analytical equipment of imitating ke tuo pi |
| 01/24/1987 | CN85101215A Liquid chromatography |
| 01/24/1987 | CN85101205A Multi-channel test data processing apparatus for liquid colour spectrum |
| 01/21/1987 | EP0063580B1 Metallic clad capillary tubing |
| 01/20/1987 | US4638456 Spot quantitation |
| 01/20/1987 | CA1216971A1 Apparatus for detecting and determining the distribution of radioactivity on a medium |
| 01/20/1987 | CA1216894A1 Dual working-electrode electrochemical detector for high performance liquid chromatography |
| 01/17/1987 | CN85101463A Method of ortho-benzenediphenol amine analysis |
| 01/17/1987 | CN85101444A Method of chromatographic analysis and an apparatus therefor |
| 01/17/1987 | CN85101147A Method and apparatus for saccharide analysis |