Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 30 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography
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)
08/2012
08/15/2012CN202383114U Chromatograph loading cup
08/15/2012CN102636612A Method for analyzing active component in harmel grass
08/15/2012CN102636611A Method for jointly detecting estrogen, nonyl phenol, octylphenol and bisphenol A in complex substrate water sample
08/15/2012CN102636610A Co-detection method for estrogen coalition in water environment
08/15/2012CN102636609A GC*GC (comprehensive two-dimensional gas chromatography) method for hydrocarbons in crude oil or sedimentary organic matters
08/15/2012CN102636608A Method for detecting content of fructooligosaccharide in infant formula milk rice flour
08/15/2012CN102636607A Quality standard of edible gastrodia elata
08/15/2012CN102636606A Guide-sample-free GC-FID (Gas Chromatograph-Flame Ionization Detector) accurate quantifying method for organic impurities in an organic ester
08/15/2012CN102636605A Method of using HPLC wavelength switching technology to test content of various components of kudzuvine root, rhizoma cimicifugae, kudzuvine root drug pair, and a preparation containing rhizoma cimicifugae and kudzuvine root drug pair
08/15/2012CN102636604A Quantitative detecting method for estrogen in milk
08/15/2012CN102636603A Method for detecting organochlorine pesticide residue in soil
08/15/2012CN102636602A Neutral hydrophilically-interacted hybrid silicagel-based monolithic column
08/15/2012CN102636601A Magnetic nanoparticle solid phase extraction column and preparation method as well as application thereof
08/15/2012CN102636600A Method for determination of optical isomers in palonosetron hydrochloride composition
08/15/2012CN102636599A Thermal expansion high-pressure gradient continuous micro flow pump system for high performance liquid chromatography
08/15/2012CN102636598A Gas chromatography valve path system for analyzing multiple high-purity fluorine-containing electronic gases and using method of system
08/15/2012CN102636597A Method for measuring residual solvent in tetracycline hydrochloride bulk drug by utilizing headspace gas chromatography
08/15/2012CN102636596A Sample pretreatment method based on paper-based thin layer chromatography plate and application of method
08/15/2012CN102636595A Continuous gas in-tube solid phase microextraction device combined with gas chromatography for use
08/15/2012CN102636594A LC-MS non-targeted tobacco metabonomics sample extraction method
08/15/2012CN102636593A Dispersion solid-phase extraction method for measuring 20 pesticide residues in tea
08/15/2012CN102636592A Method for simultaneous determination of a plurality of synthetic pigments in hot pot flavorings
08/15/2012CN102636591A Method for determination of maleic acid content in food and food products and modifiers thereof
08/15/2012CN102636590A Method for detecting dehydroacetic acid residue in chicken tissues
08/15/2012CN102636589A HPLC (High Performance Liquid Chromatography) quantitative method for cephaeline hydrochloride and ipecine hydrochloride in ipecacuanha medicinal material and preparation of ipecacuanha medicinal material
08/15/2012CN102636588A Method for discriminating white spirits by using quartz crystal oscillator electronic nose
08/15/2012CN102636587A Method for detecting desorption efficiency of active carbon tube aiming at volatile organic compound
08/15/2012CN102636586A Internal standard method based quantifying method for thermal cracking product of additives for tobacco
08/15/2012CN102636585A Method for detecting a compound preparation of green tea of radix sophorae flavescentis
08/15/2012CN102636584A Method for simultaneously measuring contents of various types of ingredients in cortex moutan radicis, rheum officinale and cortex moutan radicis medicine suit and preparation containing rheum officinale and cortex moutan radicis medicine suit by means of HPLC (high performance liquid chromatography) wavelength switching technology
08/15/2012CN102636583A Detection method for phytosterol in vegetable oil
08/15/2012CN102636582A Method for determining content of diminazene and antipyrine in diminazene particle
08/15/2012CN102636581A Liquid chromatogram and fluorescence method for simultaneously detecting aflatoxin B1, ochratoxin A, zearalenone and citrinin in grains
08/15/2012CN102636580A Measuring method of multifold organic constituent desorption efficiency in an active carbon pipe
08/15/2012CN102636579A Sulfamethazine soil-water distribution coefficient quantitative forecasting method based on physical and chemical properties of soil
08/15/2012CN102636375A Method for extracting target odorant from white wind and white wine odour analysis method
08/15/2012CN102636374A Cold-trap gathering analytical method for volatile and semi-volatile matters in cigarette smoke
08/15/2012CN102634562A Method for detecting nutrition environment change in subculture process of vitamin C production strain
08/15/2012CN102634279A Method for preparing stationary phase coating material for trace substance identification and application of material
08/15/2012CN102631440A External traditional Chinese medicine preparation for treating burns and scalds as well as preparation method and quality detection method of preparation
08/15/2012CN102631395A Rape pollen dispersible tablet for treating prostatitis and preparation method of rape pollen dispersible tablet
08/15/2012CN102081079B Method for detecting corrosive and harmful gas in insulating material of dry type transformer
08/15/2012CN101961382B Detection method of medicinal composition for treating cardiovascular and cerebrovascular diseases
08/15/2012CN101919979B Detection method of traditional Chinese medicine composition for soothing liver-qi stagnation and tonifying spleen and removing dampness
08/15/2012CN101890111B Chinese medicinal composition for soothing liver, tonifying spleen, boosting qi and quickening blood, and preparation method thereof
08/15/2012CN101865887B Method for detecting nitromidazole residue in royal jelly by using high performance liquid chromatography tandem mass spectrum
08/15/2012CN101865886B Method for measuring residual quantity of chloramphenicol in propolis by using high performance liquid chromatography tandem mass spectrum
08/15/2012CN101856413B Chinese medicinal composition for soothing liver and regulating vital energy, activating blood and dissolving stasis and quality detection method
08/15/2012CN101780170B Compound capsule containing root of red-rooted salvia and preparation method and quality determination method thereof
08/15/2012CN101776654B Method for fast detecting sugar content of alcohol deposition liquid
08/15/2012CN101718753B Ion chromatography single-pump column switching system
08/15/2012CN101575636B Method for screening phosphodiesterase (PDE) inhibitor
08/15/2012CN101524391B Detection method for Xihuang pills
08/15/2012CN101509924B Electrochemical sidestream immune quantitative test paper sensor based on microgap array electrode and method thereof for detecting biotoxin
08/15/2012CN101269158B Medicament combination for treating hypertension, preparation method and quality control method
08/15/2012CN101269116B Detection method of chaihuang soft capsule
08/14/2012US8241916 Diagnostic method for oil-filled electrical apparatus
08/14/2012US8241562 Enhanced toxic cloud knockdown spray system for decontamination applications
08/14/2012US8240334 Arrangement for metering a gaseous sample in a carrier gas stream
08/14/2012CA2604089C Monolithic functionalisable materials
08/09/2012WO2012104278A1 Chromatography column support
08/09/2012WO2012103780A1 Method for determining concentration of hmg-coa reductase inhibitors
08/09/2012US20120202211 Apparatus and method for biologic sample rapid collection and recovery device, and convenient storage
08/09/2012US20120201938 Systems and methods of removing and managing heavy metals
08/09/2012US20120198913 Column assembly for a gas chromatograph
08/09/2012US20120198912 Chemical sample collection and detection system
08/09/2012DE102012200218A1 Flüssigkeitsversorgung mit optimiertem Umschalten zwischen verschiedenen Lösungsmitteln Liquid supply with optimized switching between different solvents
08/09/2012DE102009038112B4 Verfahren zur Verbesserung der chromatographischen Nachweisgrenze für einen Analyten A method for improving the chromatographic detection limit for an analyte
08/09/2012CA2824218A1 Chromatography column support
08/08/2012EP2483691A1 Reductive amination and analysis of carbohydrates using 2-picoline borane as reducing agent
08/08/2012CN202372484U Device for detecting nitrate in sewage
08/08/2012CN202372483U Ultraviolet detector with two sample detection units and light switching device
08/08/2012CN202372482U Miniature heat conduction pond structure of high-sensitivity gas chromatograph
08/08/2012CN202372481U Opposite-phase high performance liquid chromatography detection device for total nitrogen in sewage
08/08/2012CN202372393U Microwave field vapor-liquid phase equilibrium detecting device
08/08/2012CN102628846A Gas chromatography detection system and method for analyzing trace impurities in ultrahigh pure gas
08/08/2012CN102628845A Method for relatively quantifying thermal cracking flavor compounds of tobacco flavor based on internal standard method
08/08/2012CN102628844A Content determining method for trichlorfon in dried fish
08/08/2012CN102628843A Gas chromatography for detection of phosphate fire-retardant plasticizer in textile
08/08/2012CN102628842A Column assembly for a gas chromatograph
08/08/2012CN102628841A Parabolic high-performance liquid chromatographic preparative column
08/08/2012CN102628840A Apparatus and method for detecting sampling efficiency of volatile organic compounds sampled by charcoal tube needle
08/08/2012CN102628839A Preparation of high-purity camellianin A and its quality control method
08/08/2012CN102628838A Fujian herb cusia HPLC fingerprint construction method
08/08/2012CN102628837A Simultaneous solid phase extraction and detection method of a plurality of allergic aroma agents in toys
08/08/2012CN102626036A Large-scale cultivation method and quality detection method of cordyceps militaris fruit bodies
08/08/2012CN101726589B Method for preparing group selectivity immunity affinity chromatographic column of synthetic pyrethroid medicaments
08/08/2012CN101672833B Device for enriching and desorbing gaseous sample
08/08/2012CN101575634B Method for confirming oxygen consuming content and oxygen consumption rate of oil pool microorganisms
08/08/2012CN101218505B Interphase injector device for the direct coupling of liquid chromatography and gas chromatography
08/07/2012US8237117 Methods and interfaces for single and multidimensional separations for characterization and/or identification of molecules by mass spectrometry
08/07/2012US8236570 Methods for identifying nucleic acid ligands
08/07/2012US8236487 Tumor specific oligosaccharide sequences and use thereof
08/07/2012CA2766675A1 Methods and systems for multiplex analysis of biomolecules by liquid chromatography-mass spectrometry
08/02/2012US20120198575 Methods and compositions for determining the purity of chemically synthesized nucleic acids
08/02/2012US20120196935 Methods for detecting autodigestion
08/02/2012US20120193277 Flash chromatography cartridge
08/02/2012US20120192620 Analysis and detection device
08/01/2012EP2482068A2 Sample preparation for gas analysis using inductive heating
08/01/2012EP2482056A1 Light-guiding flowcells
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