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)
02/2014
02/12/2014CN103575839A High sensitivity photoionization detector
02/12/2014CN103575838A Channel unit for liquid chromatograph
02/12/2014CN103575837A Device analyzing by gas chromatographic method
02/12/2014CN103575836A Sample introduction system
02/12/2014CN103575835A Method for determining 2-furfural in dextran-40 sodium chloride injection
02/12/2014CN103575834A Enrichment device and enrichment method for light hydrocarbon in dry gas
02/12/2014CN103575833A Sample pretreatment method for detection of free and bonded 3-chlorine-1,2-propylene glycol in grease
02/12/2014CN103575832A System and method for separating comprehensive two-dimensional liquid chromatography on line
02/12/2014CN103575831A Extraction and detection method for ketamine, norketamine and amphetamin-type substances in hairs
02/12/2014CN103575830A Analysis method for four anthraquinones in blood plasma and application of four anthraquinones in pharmacokinetics
02/12/2014CN103575829A A solid-phase extraction device
02/12/2014CN103575828A Method for measuring anti-scorching agent CTP of rubber
02/12/2014CN103575827A Method for detecting monosaccharide and preparation method for derivative reagent
02/12/2014CN103575826A Efficient liquid-phase chromatographic detection method for content of polyamines in goose tissue as well as application thereof
02/12/2014CN103575825A Analyzer controlling apparatus
02/12/2014CN103575824A Measuring method of content of ephedrine hydrochloride in ephedra, bitter almond, gypsum and liquoric root oral liquid and application of measuring method
02/12/2014CN103575823A Detection method of 8 chemical components in Tangminling preparation
02/12/2014CN103575822A Detection method of 5 chemical components in Tangminling preparation
02/12/2014CN103575821A Detection method of 14 chemical components in Tangminling preparation
02/12/2014CN103575820A Analysis method for five flavonoid glycosides in blood plasma and application of five flavonoid glycosides in pharmacokinetics
02/12/2014CN103575819A Method for measuring fingerprint spectrum of cardiac traditional Chinese medicine preparation
02/12/2014CN103575818A Radix isatidis particle quality control method
02/12/2014CN103575817A High performance liquid detection method of roflumilast dimer
02/12/2014CN103575816A Method for detecting leonurine hydrochloride content in nephritis elimination tablet
02/12/2014CN103575815A Method for detecting glyceryl monostearate in liquid milk
02/12/2014CN103575814A Detecting method for 5 flavones and 4 alkaloids in blood plasma
02/12/2014CN103575813A HPLC analysis method for alvimopan or related compounds of the alvimopan
02/12/2014CN103575798A Method for measuring residues of ethephon, thidiazuron and diuron in cotton by using liquid chromatography tandem mass spectrometry
02/12/2014CN103575577A Methyl esterification method of extract of qi-tonifying pulse-restoring freeze-dried powder used for injection
02/12/2014CN103571728A Use of lipopeptide compounds for improving sweet smell of white spirit and determination method of lipopeptide compounds
02/12/2014CN103570826A New generation of cervical cancer specific early-warning plasma protein
02/12/2014CN103570611A Novel compound, and preparation method and application thereof
02/12/2014CN103566912A Liquid chromatographic stationary phase filler and preparation and application thereof
02/12/2014CN103063771B Process of one-sample introduction dual-detector gas chromatography and transformer oil analysis gas chromatography
02/12/2014CN102768250B Method for chiral separation and measurement of methyl lactate optical isomers by capillary gas chromatography
02/12/2014CN102680609B Miniature gas chromatographic column integrated chip with rapid separation function
02/12/2014CN102667464B Liquid-metering device for gas analyzer
02/12/2014CN102636601B Magnetic nanoparticle solid phase extraction column and application thereof
02/12/2014CN102603908B Preparation method of natural antioxidant tricholoma lobayense heim polysaccharide
02/12/2014CN102590387B Method for detecting impurity cystine in compound glycyrrhizin injection
02/12/2014CN102507823B Method for determining content of phthalate in paper material for cigarette
02/12/2014CN102455262B Method for selectively purifying benzo [alpha] pyrene in complicated sample
02/12/2014CN102253159B Method for analyzing tobacco flavor components by adopting multi-dimensional hyphenated chromatographic technique
02/12/2014CN102183612B Method for simultaneously determining content of 2-keto-L-gulonic acid, content of vitamin C and content of 2-keto-L-gulonic acid methyl ester
02/12/2014CN101879270B Traditional Chinese medicine injectable powder and quality control method thereof
02/11/2014US8647882 Chiral selectors and stationary phases for separating enantiomer mixtures
02/11/2014US8647577 Chemical coating of microwell for electrochemical detection device
02/11/2014US8647576 Electrolytic eluent generator and method of use
02/11/2014CA2633509C Method of preparing a composition using argentation chromatography
02/11/2014CA2506480C Flash chromatography cartridge
02/06/2014WO2014022794A2 Petroleum-fluid property prediction from gas chromatographic analysis of rock extracts or fluid samples
02/06/2014WO2014021099A1 Liquid chromatographic analyzer
02/06/2014WO2014020330A1 Self-limiting injection assembly for sample introduction in hplc
02/06/2014WO2014020177A1 Gas analysis system comprising a gas spectrometer equipped with a micro-reflectron
02/06/2014US20140038852 Use of biomarkers for detecting ovarian cancer
02/06/2014US20140036263 Apparatus for performing spectroscopy having a porous membrane
02/06/2014US20140034826 System and method for grouping precursor and fragment ions using selected ion chromatograms
02/06/2014US20140033804 Narrow bore porous layer open tube capillary column and uses thereof
02/06/2014DE19617731B4 Verfahren und Vorrichtung zur Bestimmung der Aktivität von Enzymen und Konzentration von Inhibitoren in Flüssigkeiten Method and apparatus for determining the activity of enzymes and concentration of inhibitors in fluids
02/06/2014DE102013212179A1 Derivatisierung von PNGase F-freigesetzter Glykane auf einem HPLC-Chip Derivatization of PNGase F-released glycans on a HPLC-Chip
02/06/2014DE10081888B4 Verfahren zur mehrdimensionalen Analyse eines Proteoms A method for multi-dimensional analysis of the proteome
02/05/2014EP2693212A1 Instrument and method for analysis of mannose 6-phosphate
02/05/2014EP2693211A1 Method for producing a flame ionisation detector and corresponding flame ionisation detector
02/05/2014EP2691770A1 Pre-concentrator and method of using the same
02/05/2014EP2691767A1 Method and means for sample preparation
02/05/2014EP2691766A1 Method for a chromatographic analysis of a hydrogen-containing gas mixture
02/05/2014EP2691765A1 Sample carrier board and method for the automatic extraction and direct analysis of samples
02/05/2014CN203422361U Stamp type TLC (Thin Layer Chromatography) plate sample application equipment with cutting function
02/05/2014CN203422360U Device for analyzing trace gas in massive carbon dioxide
02/05/2014CN203422359U High-purity oxygen analysis device
02/05/2014CN203422358U Analysis device for gases in 5N high-purity carbon dioxide
02/05/2014CN203417490U Integrated solid-phase microextraction probe
02/05/2014CN103561757A Freeze-dried preparation containing high-purity pth and method for producing same
02/05/2014CN103558331A Method for detecting bromate in drinking water
02/05/2014CN103558330A Thin-layer identification chromatography method of stomach-strengthening ulcer-curing preparation
02/05/2014CN103558329A Method for establishing fingerprint of leech and standard fingerprint of leech
02/05/2014CN103558328A Method for determining sesamol in essences and flavors through liquid chromatography-tandem mass spectrometry
02/05/2014CN103558327A Method for detecting cordycepic acid content of cordyceps sinensis by utilizing high-performance liquid chromatography
02/05/2014CN103558326A Method for determining content of rivaroxaban in rivaroxaban tablet by high performance liquid chromatography
02/05/2014CN103558325A Method for directly determining enantiomer excess of chiral compound in mixed sample
02/05/2014CN103558324A Method for extracting and identifying aesculin, fraxin, fraxetin and resveratrol from ledum palustre l.var.angustum e.busch
02/05/2014CN103558323A Micro fluidized bed cracking reaction analysis device and method by utilizing analysis device for carrying out cracking reaction analysis upon coal tar
02/05/2014CN103558322A Low-temperature pressurization head space sample injection device for measuring volatile substances in atmosphere through GC-MS (gas chromatography-mass spectrometer) technology
02/05/2014CN103558321A Gas examination sample introduction evaporator with gas feeding adjusting replacing combination valve
02/05/2014CN103558320A Boronic acid affinity monolithic column solid-phase micro-extraction-high performance liquid chromatography on-line combined system
02/05/2014CN103558319A Method for measuring methyl eugenol in mainstream smoke of cigarettes
02/05/2014CN103558318A Determination method for detecting trace hydroxylamine hydrochloride in medicine
02/05/2014CN103558317A Balance gas equipressure transfer device and method applied to preparation process of transformer oil chromatographic analysis standard oil
02/05/2014CN103558316A Negative-pressure transformer oil chromatographic analysis standard oil preparation device and method
02/05/2014CN103558315A Preparation technology of dimethylcyclosiloxane mixed standard substance and application of dimethylcyclosiloxane mixed standard substance used as a qualitative standard substance
02/05/2014CN103558314A Method for determining paclitaxel in paclitaxel injection
02/05/2014CN103558313A Gas chromatography determination device for sulfur hexafluoride decomposition products
02/05/2014CN103558312A Method for measuring benzo[a]pyrene content of mainstream smoke of cigarettes
02/05/2014CN103558311A Bitter and astringent green tea flavors judging method based on tea leaf biochemical components
02/05/2014CN103558310A Content determination method for 4,5-dimethoxy-1-(methyl amino methyl) benzocyclobutane optical isomer
02/05/2014CN103558309A Method for measuring ammonia content of sidestream smoke of cigarettes
02/05/2014CN103558308A Method for identifying storage time of ligusticum wallichii medicinal materials by utilizing HPLC-UV
02/05/2014CN103558307A Detection method of liuwei anxiao preparation
02/05/2014CN103558306A Composite for screening xanthine oxidase inhibitor and application method thereof
02/05/2014CN103558305A Method for detecting trace phenols environmental estrogen
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