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)
04/2014
04/30/2014CN103760257A Method for separating and measuring aprepitant related substances by liquid chromatography
04/30/2014CN103760256A Method for separating and measuring olmesartan medoxomil intermediate related substances by liquid chromatography
04/30/2014CN103760255A Detection method for residual amounts of hexachloro-cyclohexane soprocide and DDT (Dichloro-Diphenyl-Tricgloroethane) in seawater
04/30/2014CN103760254A Method for determining fingerprint spectrum of traditional Chinese medicine for treating coronary heart disease
04/30/2014CN103760253A Rapid detection method for plasticizer
04/30/2014CN103760252A Gas chromatography-mass spectrometry method for analyzing mass number abundance value and specific value of carbon and nitrogen in nitrogen gas
04/30/2014CN103760251A Mobile monitoring device
04/30/2014CN103760250A On-line monitoring equipment of transformer oil chromatograph
04/30/2014CN103760249A Detection method of deoxidation acetic acids of food antiseptics
04/30/2014CN103760248A Method for detecting hydroxybenzene methyl formate in food preservative
04/30/2014CN103760247A Method for detecting hydroxybenzene ethyl formate in food preservative
04/30/2014CN103760246A Liquid-phase detection method for casein phosphopeptides in milk
04/30/2014CN103760245A HPLC-MS multi-index rapid detection method for illegally added cough and asthma relieving chemical components
04/30/2014CN103760244A Content determination method of glucosamine hydrochloride tablets
04/30/2014CN103760107A Liquid core waveguide flow-through cell for UV spectrophotometric detector
04/30/2014CN103760068A Method and device for determining diffusion and reduction processes of nitrous oxide in soil
04/30/2014CN103760002A Preparation method for detecting basic orange II standard sample
04/30/2014CN103759699A Power transformer winding deformation detection method based on tracer agents
04/30/2014CN103755591A Preparation method of auramine O standard detection sample
04/30/2014CN103048401B Determining method for 15 kinds of forbidden nitro imidazoles antibiotics in cosmetics
04/30/2014CN102998374B Method for simultaneously determining six coumarin residual quantity in toy sample
04/30/2014CN102759584B Method for determining pyrogallic acid through high performance liquid chromatography
04/30/2014CN102675455B High coupling ratio holoantigen synthesis method of olaquindox residue marker
04/30/2014CN102662026B Quality detecting method for traditional Chinese medicine Qianliening preparation
04/30/2014CN102645504B Construction method for ion chromatography fingerprint spectrums of ganoderma lucidum spore powder polysaccharide
04/30/2014CN102507819B Method for measuring hexabromocyclododecane in food contact material
04/30/2014CN102507792B Quality detection method for Shuxuetong preparation
04/30/2014CN102507761B System and method for measuring nitric oxide in a small amount of gas
04/30/2014CN102435696B Gas explosibility identification method of mine gas tube bundle monitoring system
04/30/2014CN102384955B Method for realizing quantitative analysis on HMG-CoA reductase inhibitor in human plasma
04/30/2014CN102297919B Ion chromatographic monolithic column containing carbon nanotube
04/30/2014CN101738439B Method for analyzing petroleum-based fuels and engine oils for biodiesel contamination
04/30/2014CN101595384B Method and apparatus for forming an homogeneous mixture of chromatography media in a vessel
04/29/2014US8709819 Preparation and its use of derivatization reagent for detecting L-carnitine or D-carnitine
04/29/2014US8707760 Gas collection and analysis system with front-end and back-end pre-concentrators and moisture removal
04/29/2014CA2655258C Method for the optimization of chromatographic purification processes for biological molecules
04/29/2014CA2643092C Chromatographic methods for measuring impurities in a gas sample
04/24/2014WO2014061723A1 Separation medium, column employing said separation medium, liquid chromatograph equipped with said column, and process for producing said separation medium
04/24/2014WO2014061411A1 Cation exchange chromatography carrier for refining of antibodies, and method for separation of antibody monomers from polymers thereof produced in antibody drug manufacturing process
04/24/2014WO2014061160A1 Flow channel module and chromatograph provided with said flow channel module
04/24/2014WO2014061158A1 Flow cell unit
04/24/2014US20140114586 Method of Improving the Resolution of Compounds Eluted from a Chromatography Device
04/24/2014US20140110322 Capillary assembly useful as connecting capillary
04/24/2014US20140109374 Automated installation procedure for a disposable flow path
04/23/2014EP2722869A1 Method for increasing ionization efficiency in mass spectroscopy
04/23/2014EP2721416A1 Analysis of total homocysteine and methylmalonic acid in plasma by lc-ms/ms from a plasma separator device (psd)
04/23/2014EP2721406A1 Methods for determining methanol content in crude oils
04/23/2014EP2721403A1 Two-dimensional fluid separation with first separation unit feeding to high-pressure end of second separation unit
04/23/2014CN203561618U Ion mobility spectrometer system
04/23/2014CN203561617U Gas channel for separation of nine components of one needle sample introduction in gas chromatography detection
04/23/2014CN203561616U Non-normal-pressure gas sampling device
04/23/2014CN103748469A Analysis of total homocysteine and methylmalonic acid in plasma by LC-MS/MS from a plasma separator device (PSD)
04/23/2014CN103743919A Chromatographic analysis device and method
04/23/2014CN103743855A Method for fast screening of five illegally added chemicals in small collateral activating pills
04/23/2014CN103743854A Rapid screening method of a plurality of chemical components illegally added in Chinese patent medicine
04/23/2014CN103743853A Rapid detection method of chemical components illegally added in Chinese patent medicine Xiaohuoluo pills
04/23/2014CN103743852A Method for detecting artificially synthesized pigments in carbonated beverages
04/23/2014CN103743851A Single-column two-dimensional liquid chromatography-mass spectrometry analysis method for triglyceride in edible oil and application of method
04/23/2014CN103743850A Measurement method for cyenopyrafen residue amount
04/23/2014CN103743849A Ion chromatography-high resolution mass spectrum hyphenation method for screening and authenticating multiple organic acids in dairy products synchronously and rapidly
04/23/2014CN103743848A Mass spectrometry assay for plasma-renin
04/23/2014CN103743847A MALDI-TOF-MS (Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry) detection method of fluoroquinolone medicines in milk
04/23/2014CN103743846A Enrichment analyzer for carbon and hydrogen elements in greenhouse gas CH4
04/23/2014CN103743845A Method for qualifying and quantifying acidifying agent in feed
04/23/2014CN103743844A Determination method of alcohol content in methanol
04/23/2014CN103743843A Method for detecting chloroacetic acid in air in workplace
04/23/2014CN103743842A Method for constructing and using Guilin brine HPLC (High Performance Liquid Chromatography) fingerprint spectrums
04/23/2014CN103743841A Lipopeptide detection method
04/23/2014CN103743840A Method for separating and measuring asimadoline hydrochloride related substance through liquid chromatography
04/23/2014CN103743839A HPLC (High Performance Liquid Chromatography) method for measuring n-octyl ferrocene and impurity content
04/23/2014CN103743838A Detection method for measuring content of thiophanate methyl
04/23/2014CN103743837A Human anti-thrombin III heparin combination ratio detection method
04/23/2014CN103743836A Detection method of benzoic acid serving as food preservative
04/23/2014CN103743835A Detection method for butoben in food corrosion remover
04/23/2014CN103743834A Detection method for food preservative, propionic acid
04/23/2014CN103743833A Detection method of hydroxybenzoic acid propyl ester serving as food preservative
04/23/2014CN103743832A HPLC (High Performance Liquid Chromatography) measuring method of related substances in Dabigatran
04/23/2014CN103743831A Method for detecting sorbic acid serving as food preservative
04/23/2014CN103743830A Novel method used for quantification of baculovirus using high performance liquid chromatographic instrument
04/23/2014CN103743829A Method for detecting purity of propane and hydrocarbon impurities in propane
04/23/2014CN103743828A Determination method of benzoic acid ester compounds in traditional Chinese medicine gentianae radix et rhizoma
04/23/2014CN103743827A Method for determining effective composition contents of aspirin and caffeine tablets
04/23/2014CN103743826A High performance liquid chromatography analysis method of azilsartan medoxomil
04/23/2014CN103743825A Detection method of L-erythrothioneine
04/23/2014CN103743809A Method for detecting enrofloxacin metabolic products in sea cucumber
04/23/2014CN103740744A Zeaxanthin synthetic gene recombinant plasmid and preparation method and use thereof
04/23/2014CN103740459A Method for extraction and composition analysis of peony stamen grease
04/23/2014CN103739556A Preparation method and detection method of 2,4-dibromopyrimidine
04/23/2014CN103735823A Preparation method and quality evaluation method of life prolongation Qiongyu paste
04/23/2014CN103735491A Clindamycin phosphate vaginal expansive suppository as well as preparation method and detection method thereof
04/23/2014CN103733895A Method for studying effect of potash fertilizer on proteomics of potatoes suffering from insect attack
04/23/2014CN103083596B Production process of compound herba epimedii immunological enhancement type soluble powder for livestock and poultry
04/23/2014CN103063784B Sample solution pre-treating method and detecting method for determination of active desulfuration effective components
04/23/2014CN103063766B Construction method of Chinese herbal medicine Naoshuantong preparation high performance liquid chromatography (HPLC) finger-print and application thereof
04/23/2014CN102980962B Sampling system and processing method for gas chromatograph
04/23/2014CN102788863B Detection method of compound preparation containing compound Zingiber corallinum Hance solution and urea miconazole ointment
04/23/2014CN102680638B Manufacturing method of overpressured thin-layer chromatography prefabricated plate
04/23/2014CN102628846B Gas chromatography detection system and method for analyzing trace impurities in ultrahigh pure gas
04/23/2014CN102621270B Quality detection method for Chinese herbal compound preparation for replenishing Qi and nourishing Yin
04/23/2014CN102576005B Device for removing impurity ions
1 ... 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 ... 412