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)
10/2012
10/10/2012CN102721774A Method for determining content of umbelliferone in traditional Chinese medicine levisticum
10/10/2012CN102721773A Content determination method of sanguisorbin I
10/10/2012CN102721772A Method for simultaneously extracting amoxicillin, amoxicillin acid, diketopiperazine amoxicillin and ampicillin from eggs
10/10/2012CN102721771A Gas chromatographic column pretreatment method for high-viscosity alcohol or/and amines
10/10/2012CN102721770A Method for simultaneously measuring alpha-acids, beta-acids and iso-alpha-acids in hops
10/10/2012CN102721769A Pretreatment method for viscous flavor
10/10/2012CN102721768A Sample pre-processing device and sample processing method for determining nitrosamine in cigarette flue gas
10/10/2012CN102721767A Method for separating and analyzing polyethylene residues in soil environment
10/10/2012CN102721766A Application of solid phase microextraction in content analysis of naphthalene in Corex furnace gas
10/10/2012CN102721765A Method for determining content of acrylonitrile monomer in polyacrylonitrile polymer liquid
10/10/2012CN102721764A Method for controlling quality of ganoderma lucidum alcohol extract
10/10/2012CN102721763A Method for detecting chloropropanol ester in oil by high performance liquid chromatography
10/10/2012CN102721762A Method for detecting organophosphorus pesticide residues in capsanthin
10/10/2012CN102721761A Method for detecting content of perchlorate in solid media in environment through chromatography of ions and application thereof
10/10/2012CN102721760A Method for measuring content of related substances in bosentan or preparation of bosentan
10/10/2012CN102721759A Method for quickly and efficiently measuring flavanols in wine
10/10/2012CN102721758A Method for measuring residues of pyrethroids pesticides in vegetables by gas chromatography
10/10/2012CN102721757A Method for detecting residual quantity of perfluoroalkylation compounds in cosmetics
10/10/2012CN102721756A Synthesis of (R)-N-methylnaltrexone
10/10/2012CN102721755A Method and apparatus for determining active nitrogen oxide component in particle state in atmosphere particle
10/10/2012CN102721754A A method for determining phthalate content in traditional Chinese medicine by adopting a liquid chromatography-mass spectrometry method
10/10/2012CN102721753A Cascade dynamic nitrogen adsorption instrument
10/10/2012CN102721590A Continuous lossless whole rock natural gas generation simulation method
10/10/2012CN102718880A Ganoderma lucidum polysaccharide of high molecular weight and detection method thereof
10/10/2012CN102718747A Olprinone hydrochloride derivate and synthetic method thereof
10/10/2012CN102718707A Hydroxychloroquine derivative and preparation method thereof
10/10/2012CN102718678A Pre-column derivation reagent and preparation process
10/10/2012CN102716726A Formula and preparation and filling method for packing of gas chromatographic analysis column in transformer oil
10/10/2012CN102716275A Detection method of anti-anxiety pharmaceutical composition
10/10/2012CN102206621B Enzyme microreactor based on cation-exchange membranes
10/10/2012CN102175788B Method for detecting contents of citrinin in monascus by liquid chromatograph/mass spectrometer (LC/MS)
10/10/2012CN102109504B Automatic calibration method and device
10/10/2012CN102095814B Method for determining volatile nitrosamines in cosmetics
10/10/2012CN102058710B Detection method of capsule preparation for treating arthritis
10/10/2012CN102052275B Parallel liquid phase chromatographic pump
10/10/2012CN101980011B Method for measuring main active ingredient propyl gallate of Chinese medicinal material additive in cigarettes
10/10/2012CN101952717B Suppressor utilizing micro ion exchange tube and ion chromatograph utilizing the same
10/10/2012CN101949714B Method and system for testing high temperature tolerance and compatibility of optical fiber in oil
10/10/2012CN101900712B Pharmacokinetic testing method of Exendin-4
10/10/2012CN101762667B Method for detecting coumarin series compounds
10/10/2012CN101738438B Detection method of related substances of nitrendipine and atenolol compound composition
10/10/2012CN101726550B High performance liquid chromatography for content of glycolic acid n-butyl and impurities
10/10/2012CN101706484B Method for synchronously purifying and separating organic extract of environmental medium step by step
10/10/2012CN101680861B Flow distributing valve
10/10/2012CN101679529B Separating agent for optical isomer
10/10/2012CN101629935B Method of determining content of 2,6-dichloroquinoxaline
10/10/2012CN101625346B Method for synthesizing integral bed for cracking solution analysis
10/10/2012CN101548182B Needle interface for fluid connections
10/10/2012CN101331397B Chromatographic systems and methods for eliminating interference from interfering agents
10/09/2012US8282799 Method for continuous particle separation using obstacle arrays asymmetrically aligned to fields
10/09/2012US8281809 Aerosol inlet flow modulator
10/09/2012CA2680183C The quantitative determination of risedronate in urine by spe-lc-ms-ms
10/09/2012CA2568628C Ion trap mass analyzer
10/04/2012WO2012135277A1 Pre-concentrator and method of using the same
10/04/2012WO2012134381A1 Method and means for sample preparation
10/04/2012WO2012133269A1 Instrument and method for analysis of mannose 6-phosphate
10/04/2012WO2012130923A1 Method for a chromatographic analysis of a hydrogen-containing gas mixture
10/04/2012WO2012130457A1 Sample carrier board and method for the automatic extraction and direct analysis of samples
10/04/2012WO2012129847A1 Methods for simultaneously determinating multi-component of simotang and fingerprint building method thereof
10/04/2012US20120252050 Methods for assessing risk of bone fracture
10/04/2012US20120252041 Method of prognosis
10/04/2012US20120252033 Substance determining apparatus
10/04/2012US20120252006 Methods and Systems for Multiple Control Validation
10/04/2012US20120252004 Highly sensitive immunochromatography method
10/04/2012US20120251393 Dispensing nozzle for automatic analyzer, and automatic analyzer including same
10/04/2012US20120248033 Porous materials for solid phase extraction and chromatography and processes for preparation and use thereof
10/04/2012DE102011006452A1 Verfahren zur chromatographischen Analyse eines Wasserstoff enthaltenden Gasgemischs A method for the chromatographic analysis of a gas mixture containing hydrogen
10/04/2012DE102011001743A1 Verfahren zur Trennung/Reinigung von Biomolekühlen Process for the separation / purification of Biomolekühlen
10/03/2012EP2504695A1 Method and arrangement for gas chromatographic analysis of a gas sample
10/03/2012CN202472921U Chromatograph anti-control device for monitoring beam tube
10/03/2012CN202471668U Multi-chromatographic column component separation preparation instrument
10/03/2012CN202471667U Component separation and preparation instrument for single chromatographic column
10/03/2012CN202471666U Mixed gas analytical equipment in power transformer oil breather based on gas chromatographic technology
10/03/2012CN202471665U Power-off protection device for gas chromatograph
10/03/2012CN202471664U Sampling device of chromatographic online analyzer of analytical reactor
10/03/2012CN202471663U Pretreatment reagent kit for measuring thimerosal residues in animal derived food
10/03/2012CN202471662U Solid phase extraction device for sample pretreatment
10/03/2012CN202471661U Three-channel beam tube monitoring data processing and intelligent control device
10/03/2012CN202471634U Device for quantitatively analyzing and rapidly converting argon in metal
10/03/2012CN202471477U Dark frame for mixing and analyzing mecobalamine
10/03/2012CN102713600A Column for liquid chromatography
10/03/2012CN102713599A Liquid chromatograph and liquid feeder for liquid chromatograph
10/03/2012CN102707012A Narrow band thin-layer chromatographic sheet and preparation method thereof
10/03/2012CN102707011A Thin-layer chromatography identification method of white gourd kernel formula granules
10/03/2012CN102707010A Quality detection method of Chinese medicinal preparation fetal lie pill
10/03/2012CN102707009A Method for detecting rhizoma coptidis pills for clearing away heat of upper part of body
10/03/2012CN102707008A Detection method of gynostemma total saponin granules
10/03/2012CN102707007A Quality detection method of five-flavor manna medicine bath preparation
10/03/2012CN102707006A Quality detection method of cudrania tricuspidata formula granules
10/03/2012CN102707005A Method for synchronously analyzing ferric iron and ferrous iron in water sample online
10/03/2012CN102707004A Novel method for researching phase II metabolism of flavone compound by using model organism zebra fish
10/03/2012CN102707003A Moldavica dragonhead extractive and fingerprint spectrum detection method thereof
10/03/2012CN102707002A Method for simultaneously measuring content of various preservatives in soy sauce by capillary gas chromatography internal standard method
10/03/2012CN102707001A Analysis method of microalgae proteome
10/03/2012CN102707000A Determination method of content of ginsenoside Rg1 in Senxianling particles
10/03/2012CN102706999A Analyzing and detecting method for rhizoma corydalis water-soluble non-alkaloid compound
10/03/2012CN102706998A Quality control method for shengmai injection
10/03/2012CN102706997A Detection method of fasudil hydrochloride-related substance
10/03/2012CN102706996A Analysis of Ar and O2, N2, CO2 and N2O in atmospheric air through one-time sampling with gas phase chromatography
10/03/2012CN102706995A Method for extracting plasticizer in plastic packaging materials
1 ... 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 ... 412