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)
10/2013
10/16/2013CN103349921A Multiwalled carbon nanotubes-polyether sulfone composite filter membrane as well as preparation method and application thereof
10/16/2013CN102967675B Capillary electrochromatography determination method suitable for separation of nicotine and metabolite thereof
10/16/2013CN102895182B Method for preparing cefoxitin sodium for injection
10/16/2013CN102830186B Construction method of scaphium scaphigerum medicinal material fingerprints
10/16/2013CN102721763B Method for detecting chloropropanol ester in oil by high performance liquid chromatography
10/16/2013CN102636597B Method for measuring residual solvent in tetracycline hydrochloride bulk drug by utilizing headspace gas chromatography
10/16/2013CN102590379B Method for online-analyzing organic monomer chlorine or bromine isotope and based on chemical ionization
10/16/2013CN102507844B Testing method for Xueshuan xinmaining tablet
10/16/2013CN102507820B Method for detecting trichlorfon and monocrotophos
10/16/2013CN102507790B In-vitro simulation detection method for bioavailability of nicotine in tobacco gum base product
10/16/2013CN102507774B Extracting, purification and detection method for nivalenol in grains
10/16/2013CN102453213B Molecular entram polymer for selectively separating phthalate ester metabolites and preparation and application thereof
10/16/2013CN102435683B Method for analyzing GC/MS (Gas Chromatography/Mass Spectrography) finger-print of composition in essential oil of angelica dahurica
10/16/2013CN102346176B Method for detecting 3,4,5-trimethoxyphenol product
10/16/2013CN102323355B Enzymolysis-HPLC method for detecting enoxaparin
10/16/2013CN102276624B Olanzapine related substance and preparation method as well as high-efficiency liquid-phase chromatographic analysis method thereof
10/16/2013CN102276592B Related substance of olanzapine and preparation method and analytical method thereof
10/16/2013CN102262194B Method for detecting internal faults of c-C4F8 mixed gas insulated electrical equipment
10/16/2013CN102234669B Biotransformation and purification method of 4-(2,3,5,6-tetramethylpyrazine-1-group)-4'-demethylepipodophyllotoxin
10/16/2013CN102230922B Method for separating and detecting paraquat based on nano channel
10/16/2013CN102128913B Oral cavity simulator and method for evaluating exciting components in cigarette smoke
10/16/2013CN102048796B Rhodiola rosea extract testing method
10/16/2013CN101782556B Analysis method of solid phase extraction coupling solid phase micro extraction
10/16/2013CN101738445B Detector for chromatograph and method for adjusting the same
10/15/2013CA2661642C Sample component trapping, release, and separation with membrane assemblies interfaced to electrospray mass spectrometry
10/10/2013WO2013150685A1 Liquid chromatograph mass spectrometry device
10/10/2013WO2013150204A1 Method for determining the tumoral or non-tumoral nature, or the tumor type, of a solid human or animal organ fragment
10/10/2013WO2013149963A1 Method and apparatus for improved quantitation by mass spectrometry
10/10/2013US20130267430 Method and reagent for diagnosis and/or evaluation of progression of graft-versus-host disease
10/10/2013US20130264263 Methods and compositions for chromatography
10/09/2013EP2647990A1 Method and device for estimating molecular parameters in a sample processed by means of chromatography
10/09/2013EP2646835A1 Method and device for automatically detecting substances for analyses
10/09/2013EP2646817A1 Method for securing a distributor plate to a backing plate of a chromatography column and a chromatography column.
10/09/2013EP2646816A1 Method and arrangement for securing a distributor plate to a backing plate of a chromatography column
10/09/2013EP2646813A1 Method for isotopic measurement by icpms
10/09/2013CN203232013U Thin-layer viewing device
10/09/2013CN203232012U Thin-layer chromatography spotting needle
10/09/2013CN203232011U Glass chromatography cylinder
10/09/2013CN203232010U Pressure buffering device of liquid chromatograph
10/09/2013CN203232009U Ration clamp of glass injector
10/09/2013CN203232008U Transformer oil pointer oil simulator adopting built-in film structure
10/09/2013CN203227329U Novel solid-phase extraction column
10/09/2013CN203227328U Molecular imprinting probe solid phase microextraction device
10/09/2013CN103348242A Method for detecting single nucleotide polymorphisms
10/09/2013CN103346060A Vacuum ultraviolet light ionization source and application thereof
10/09/2013CN103344738A Detection method of nine-component heart-calming particle
10/09/2013CN103344737A Quality control method of traditional Chinese medicine tablet for treating nasosinusitis
10/09/2013CN103344736A Method for detecting content of sodium ions in water vapor of thermodynamic system by using ion chromatography
10/09/2013CN103344735A Method for positioning discharging fault in gas insulated switchgear (GIS)
10/09/2013CN103344734A Method for measuring eugenol in edible flavor and fragrance based on gas chromatography-mass spectrography
10/09/2013CN103344733A High performance liquid chromatographic separation detection method for bortezomib enantiomers
10/09/2013CN103344732A Method for simultaneous detection of ofloxacin and sarafloxacin in water body
10/09/2013CN103344731A Method for qualitative and quantitative determination of sugar alcohols in foods by ion chromatograph-mass spectrometer
10/09/2013CN103344730A HPLC (High Performance Liquid Chromatography)-technology-based identification method for different types of Pu-er tea fingerprint maps
10/09/2013CN103344729A Method for identifying authenticity and evaluating quality of Fengjie navel oranges
10/09/2013CN103344728A In-situ headspace sample injector
10/09/2013CN103344727A Method for detecting microcystins in water body by using multi-walled carbon nanotubes
10/09/2013CN103344726A Method for extraction of dicyandiamide component in dairy product
10/09/2013CN103344725A Method for simultaneously and quantitatively detecting content of ethyl carbamate and phthalate in distilled white wine
10/09/2013CN103344724A Analysis method of mancozeb
10/09/2013CN103344723A Method for processing benzoic acid, sorbic acid and saccharin sodium salt in food before detection
10/09/2013CN103344722A Method for simultaneously detecting AZA1, AZA2 and AZA3 in bivalve aquatic products
10/09/2013CN103344721A Method for testing fluorescent whitening agent in washing products
10/09/2013CN103344720A Spiral type reacting device capable of simulating coal spontaneous combustion process
10/09/2013CN103344719A High-performance liquid phase method capable of simultaneously detecting gulconic acid, gulconic methyl ester, methanol and ethanol
10/09/2013CN103344718A Method for rapidly screening hydroxyl polycyclic aromatic hydrocarbon in urine
10/09/2013CN103344717A Method for establishing rhizoma bletillae high performance liquid chromatography (HPLC) fingerprint spectrum and standard fingerprint spectrum thereof
10/09/2013CN103344716A Method for determining etching cut-off point in echelle grating prepared by monocrystalline silicon wet-process etching
10/09/2013CN103344715A Method for separation and enrichment of penicillin antibiotics in water
10/09/2013CN103344714A Method for detection of ingredient content of hydrogen-neon-argon ternary mixed gas
10/09/2013CN103344713A Method for analyzing importance of flavoring in flue-cured tobacco fragrance type classification and forecasting fragrance type based on random forest method
10/09/2013CN103344712A Method for discriminating soy kind based on multivariate statistical analysis
10/09/2013CN103344711A Content detecting method for creatine phosphate disodium salt and impurities anions thereof
10/09/2013CN103344710A Method for detecting diphenoxylate in biological sample by liquid chromatography-tandem mass spectrometry for criminal investigation
10/09/2013CN103343162A PCR-DHPLC detection primers and detection method for maize ubiquitin protein promoter gene
10/09/2013CN103342774A Preparation method and application of bitertanol based molecularly-imprinted solid-phase extraction column
10/09/2013CN103341354A Analysis of trichloromethane stationary phase by gas chromatography method, and preparation method and applications of stationary phase
10/09/2013CN103340892A Compound omeprazole capsule, and preparation method and detection method thereof
10/09/2013CN102952113B 5,6,7,8-tetrahydro-6-(N,N-di((2-thiophene)ethyl))amino-1-naphthol, preparation method and application thereof
10/09/2013CN102866214B Method for detecting content of triethylamine in gas-phase condensed recovery liquid obtained from SAPO34 preparation
10/09/2013CN102749399B Method for detecting caffeic acid content in tobacco
10/09/2013CN102652774B Drug composition for treating leukopenia and hypoimmunity caused by chemoradiotherapy and preparation method and quality detection method
10/09/2013CN102507824B Analysis method for modification sites of polyethylene glycol modified protein
10/09/2013CN102507778B HPLC (High Performance Liquid Chromatography) finger print of Shengxuening Tablet, and preparation method and application of HPLC finger print
10/09/2013CN102488722B Preparation method and quality detection method of bupleurum oral solution
10/09/2013CN102423352B Preparation method of Chinese medicinal granules for treating cardio-cerebrovascular diseases
10/09/2013CN102331461B Gas chromatography concentration analysis method for pentaerythritol and glycol solution
10/09/2013CN102062765B Column head structure of conical preparative liquid chromatographic column
10/09/2013CN101993911B Active micromolecular nuclide probe platform and application thereof to biomedicine
10/09/2013CN101957330B Method for measuring content of sulfobutyl-beta-cyclodextrin
10/09/2013CN101352464B Quality control method of Chinese medicinal composition
10/08/2013US8549894 Gas chromatography with ambient pressure stability control
10/08/2013US8549893 System and method for a gas chromatograph to mass spectrometer interface
10/08/2013CA2766055C Sheet-form membrane sample probe, method and apparatus for fluid concentration analysis
10/03/2013WO2013147589A2 Assay for identifying animal species in raw and cooked conditions
10/03/2013WO2013147255A1 Filler for liquid chromatography, column for liquid chromatography, and liquid chromatography apparatus
10/03/2013WO2013146142A1 Fluorine apatite, adsorption device, and separation method
10/03/2013WO2013145901A1 Segmentable container and method of segmenting substance contained in container
10/03/2013WO2013144790A1 Method and system for filtering gas chromatography-mass spectrometry data
10/03/2013WO2013144330A1 Device and method for extracting compounds contained in a liquid sample with a view to analysing them
1 ... 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 ... 412