| 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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| 03/27/2013 | CN102998406A Method for detecting content of carbon dioxide in natural gas |
| 03/27/2013 | CN102998405A Method for determining sulfanilamide and tetracycline antibiotics in soil, sludge and animal wastes |
| 03/27/2013 | CN102998404A Asymmetric chromatographic detection method for multiple component gases in transformer oil |
| 03/27/2013 | CN102998403A Method for separating polar materials in frying oil |
| 03/27/2013 | CN102998402A Special gas chromatography column for analysis of benzene compounds in environment |
| 03/27/2013 | CN102998401A Efficient environment-protection filling method for amino liquid chromatography column |
| 03/27/2013 | CN102998400A Ultra low loss chromatography injection separation pad |
| 03/27/2013 | CN102998399A Pretreatment device of fiber needle type sample |
| 03/27/2013 | CN102998398A Method for researching chemical components of blueberry fruit |
| 03/27/2013 | CN102998397A Researching method of blueberry fruit chemical components by virtue of acid hydrolysis |
| 03/27/2013 | CN102998396A Method for determining epoxy chloropropane in water |
| 03/27/2013 | CN102998395A Method for determining tetrabromobisphenol A content |
| 03/27/2013 | CN102998394A Determination method of content of calycosin glucoside in stable ultrafine powder for strengthening body resistance and detoxifcation |
| 03/27/2013 | CN102998393A Determination method of content of calycosin glucoside in stable pulvis for strengthening body resistance and detoxifcation |
| 03/27/2013 | CN102998392A Method for detecting residual solvent of macroporous adsorption resin of anti-cold capsule |
| 03/27/2013 | CN102998391A Three-servant powder quality inspection method |
| 03/27/2013 | CN102998390A Method for analyzing carbon monoxide gas in coal under anaerobic condition |
| 03/27/2013 | CN102998389A Gas chromatography detection method of corrosion removers in food |
| 03/27/2013 | CN102998388A Detection method of trace non-steroidal anti-inflammatory drug in water |
| 03/27/2013 | CN102998387A Method for determining ethylene glycol monomethyl ether, glycol ether, ethylene glycol ether acetate, glycol and diglycol in food wrap paper |
| 03/27/2013 | CN102998386A Method for measuring radix paeoniae alba diglucoside in radix paeoniae alba callus by utilizing high performance liquid chromatography |
| 03/27/2013 | CN102998385A Method for simultaneously measuring contents of two organic acids in corn stalk fermentation broth |
| 03/27/2013 | CN102998384A Analysis method for content of oxadiazon water suspending agent |
| 03/27/2013 | CN102998383A Method for testing content of main components in Rhodiola rosea extracts |
| 03/27/2013 | CN102998382A Method for measuring contents of methanol, sec-butyl alcohol, sesamol and musk xylene in additive for cigarette |
| 03/27/2013 | CN102998381A Method for measuring content of phthalic acid ester in tipping paper for cigarettes |
| 03/27/2013 | CN102998380A Method for detecting 21 volatile organic compounds (VOC) in tobacco packing box |
| 03/27/2013 | CN102998379A Method for detecting contents of benzene, methylbenzene and ethylbenzene in high-purity ammonia |
| 03/27/2013 | CN102998378A Method for quantification of 146S content in foot-and-mouth disease antigen by using liquid chromatography detection system |
| 03/27/2013 | CN102998377A Method for determining content of anastrozole in anastrozole tablet |
| 03/27/2013 | CN102998376A Automatic acid rain sampling analysis system |
| 03/27/2013 | CN102998375A Method for simultaneously detecting contents of ferulic acid and paeoniflorin in blood nourishing and brain arousing particle |
| 03/27/2013 | CN102998374A Method for simultaneously determining six coumarin residual quantity in toy sample |
| 03/27/2013 | CN102998362A In-situ conditioning in mass spectrometer systems |
| 03/27/2013 | CN102998278A Method capable of determining dried alum and/or chlorogenic acid content in Jinxuan washing powder online |
| 03/27/2013 | CN102998273A Quality controlling method for termitarium capsules |
| 03/27/2013 | CN102998272A Quality control method of mulberry particles |
| 03/27/2013 | CN102998164A Auramine O molecular imprinting solid phase extraction capillary column, and preparation method and application thereof |
| 03/27/2013 | CN102998159A Pretreatment method for detecting tetracycline medicine residue in eel |
| 03/27/2013 | CN102998155A Device and method for online deduction of amino acid disulfide and determination of amino acid |
| 03/27/2013 | CN102993205A High-yield purification method for preparation of high-purity sildenafil freebases |
| 03/27/2013 | CN102993087A Impurity compound in Tegafur/Gimeracil/Oteracil prescription, and preparation method and application thereof |
| 03/27/2013 | CN102989432A Preparation of solid-phase microextraction (SPME) fiber and extraction device assembled by same |
| 03/27/2013 | CN102988552A Traditional Chinese medicine compound radix pulsatillae particle for treating chicken colibacillosis and preparation method and application thereof |
| 03/27/2013 | CN102988326A Febuxostat tablets and preparation method and detection method thereof |
| 03/27/2013 | CN102988284A Preparation method for monosialotetrahexosyl ganglioside sodium injection |
| 03/27/2013 | CN102539611B Method for determining content of all-trans-astaxanthin |
| 03/27/2013 | CN102445508B Helium ion gas chromatograph and use method thereof |
| 03/27/2013 | CN102435693B Method for controlling quality of midbody during preparation process of Shenmai injection |
| 03/27/2013 | CN102353728B Rapid detection method for production process quality control of yellow wine |
| 03/27/2013 | CN102323343B Method for establishing Pericarpium Juglantis high-performance liquid chromatography (HPLC) fingerprint chromatogram and application method thereof |
| 03/27/2013 | CN102147397B Method for detecting taurine in functional beer by adopting high performance liquid chromatography (HPLC) |
| 03/27/2013 | CN102145075B Pharmaceutical composition for regulating liver and supplementing kidney, eliminating blood stasis and removing spot and preparation method of pharmaceutical composition |
| 03/27/2013 | CN102139048B Quality control method of tablet capable of improving eyesight and clearing heat |
| 03/27/2013 | CN102139045B Quality control method for Xiebai syrup |
| 03/27/2013 | CN102139039B Quality control method of coptis tablet for clearing away stomach heat |
| 03/27/2013 | CN102139008B Quality control method of Xiaoer daochi tablet |
| 03/27/2013 | CN102128902B Method for processing ginseng sample containing chemical residue before measurement |
| 03/27/2013 | CN102100850B Quality control method for refined fructus forsythiae antidotal tablets |
| 03/27/2013 | CN102100743B Quality control method for hypotensive pathogenic wind dispelling tablets |
| 03/27/2013 | CN102091299B Method for detecting medicinal composition for treating viral hepatitis |
| 03/27/2013 | CN102053163B In-situ analysis system for catalytic reaction (CR) pulses |
| 03/27/2013 | CN102053132B Liquid chromatograph with plunger rod ejection pin |
| 03/27/2013 | CN102053128B Method for measuring ammonium ion content in polypropylene tow filter rods for cigarettes |
| 03/27/2013 | CN102048837B Quality control method of baby protecting and convulsion relieving pills serving as Chinese medicinal preparation |
| 03/27/2013 | CN102028828B Medical composite for treating benign prostatic hyperplasia and urodialysis and detection method of medical composite |
| 03/27/2013 | CN102012407B Method for detecting tobacco-specific nitrosamines |
| 03/27/2013 | CN102004135B Desorption pool and molecular imprinting stirring rod microextraction-high performance liquid chromatography online combined system |
| 03/27/2013 | CN101987121B Detection method of medicine composition for treating hepatitis |
| 03/27/2013 | CN101943685B Method for measuring residual quantity of thidiazuron and diuron as well as metabolites thereof in cotton |
| 03/27/2013 | CN101936967B Method for rapidly sampling and identifying essential oil in chestnut flowers |
| 03/27/2013 | CN101923934B Preparation of organic phosphonic acid functionalized magnetic nano material and application in protein enrichment |
| 03/27/2013 | CN101773641B Chinese medicine composition preparation for liver soothing and depression relief and quality control method |
| 03/27/2013 | CN101773600B Traditional Chinese medicine composition for invigorating vital energy, nourishing blood, regulating menstruation and stopping leukorrhagia as well as quality control method |
| 03/27/2013 | CN101634644B Method for identifying genuine product and counterfeit product of leech |
| 03/27/2013 | CN101631600B Packing system and method for chromatography columns |
| 03/27/2013 | CN101564512B Quality control method of hyperthyroidism resistance powder |
| 03/27/2013 | CN101530506B Method for analyzing poisonous clear tablet |
| 03/27/2013 | CN101419204B Automatic sampler and method for injecting sample |
| 03/27/2013 | CN101273267B Method for analysis of albumin in sample solution |
| 03/26/2013 | US8405445 Switching circuit and imaging apparatus utilizing the same |
| 03/26/2013 | US8404346 Porous inorganic/organic hybrid monolith materials for chromatographic separations and process for their preparation |
| 03/26/2013 | US8404185 Adsorbent housing with separated adsorption outflow and desorption inflow |
| 03/26/2013 | US8402814 Method and device for the analysis of isotope ratios |
| 03/21/2013 | WO2013039487A1 Miniaturized gas chromatograph |
| 03/21/2013 | WO2013038604A1 Nucleic acid purification method, nucleic acid extraction method, and nucleic acid purification kit |
| 03/21/2013 | WO2013037414A1 Fluidic chip with displacable patterned layer for detecting fluid pressure |
| 03/21/2013 | WO2013037182A1 Online volatile organic compound analyzer and using method thereof |
| 03/21/2013 | US20130071951 Methods and compositions for determining the purity of chemically synthesized nucleic acids |
| 03/21/2013 | US20130068946 Thermo-stabilized nano- and micro- flow lc/esi-ms interface and a method thereof |
| 03/21/2013 | US20130068943 General Mass Spectrometry Assay Using Continuously Eluting Co-Fractionating Reporters of Mass Spectrometry Detection Efficiency |
| 03/21/2013 | US20130067997 Single injection valve for hplc combining sample introduction, wash cycles and diagnosis |
| 03/21/2013 | US20130067996 Sample detection method by thin-layer chromatography, thin-layer chromatography plate, and method for producing same |
| 03/21/2013 | US20130067991 Hydrocarbon Separation and Analysis Apparatus and Methods |
| 03/21/2013 | DE102011119194A1 Laminated glass tube used in high speed bio-liquid chromatography system, has inner tube and outer tube which are joined with respect to each other |
| 03/20/2013 | EP2570176A1 Scrubber for reactive gases |
| 03/20/2013 | EP2569622A2 Fluids testing apparatus and methods of use |
| 03/20/2013 | EP1423191B1 Solid compositions for selective adsorption from complex mixtures |
| 03/20/2013 | CN202814939U Analysis device with serial double columns and back flushing |
| 03/20/2013 | CN202814938U Bracket device used for liquid chromatogram sampling |