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)
03/2014
03/26/2014CN103675166A Comprehensive two-dimensional gas chromatograph and modulator for such a chromatograph
03/26/2014CN103675165A Liquid sending pipe for liquid chromatograph detector and liquid chromatograph
03/26/2014CN103675164A Method for separating estrogen endocrine disruptors in detection environment
03/26/2014CN103675163A Preparation method for quinoline yellow standard sample
03/26/2014CN103675162A Preparation of natural matrix standard sample of minced eels containing five types of quinolones residues
03/26/2014CN103675161A Separation and analysis method for different forms of calcium in tobacco
03/26/2014CN103675160A Method for assessing food allergenicity by using existence of allergen epitopes
03/26/2014CN103675159A Simultaneous distillation-extraction detection method of volatile flavor substances in sour-dough steamed bun
03/26/2014CN103675158A Thermal analyzer
03/26/2014CN103675157A Rapid pre-treatment method and device for crude oil sample
03/26/2014CN103675156A Method and apparatus for split-flow-mixing liquid chromatography
03/26/2014CN103675155A Headspace light dydrocarbon sample preservation system and method
03/26/2014CN103675154A Online pretreatment method and online pretreatment device of SVOCs (Semi Volatile Organic Compounds) in water
03/26/2014CN103675153A Method for measuring main carbonyl compounds in cigarette filter through ultra-performance convergence chromatography
03/26/2014CN103675152A Nitroglycerin micro-emulsion spray content assaying method and application
03/26/2014CN103675151A Maintenance method for chromatographic analyzer
03/26/2014CN103675150A Detection method of tanshinol in salvia miltiorrhiza and ligustrazine hydrochloride glucose injection
03/26/2014CN103675149A Method for detecting ligustrazine in salviae miltiorrhizae and ligusticum wallichii glucose injection
03/26/2014CN103675148A Detection method of ligustrazine hydrochloride in salvia miltiorrhiza and ligustrazine hydrochloride glucose injection
03/26/2014CN103675147A Method for rapidly determining caffeine in drink
03/26/2014CN103675146A Method for constructing HPLC (high-performance liquid chromatography) specific chromatogram of rheumatic arthralgia treating medicine prepared by dried ginger, rhizoma dioscoreae nipponicae and caulis spatholobi
03/26/2014CN103675145A Method for detecting residual quantity of cimaterol in pig hairs
03/26/2014CN103675144A Method for chemically degrading heparin and detecting composition of heparin disaccharide
03/26/2014CN103675143A Method for determining content of calcium carbonate in reconstituted tobacco
03/26/2014CN103675142A Single-column chromatographic column for electric insulation oil gas separation and preparation method
03/26/2014CN103675141A Detecting method of compound traditional Chinese medicine preparations for treating psoriasis
03/26/2014CN103675140A Helium ionized gas chromatographic analyzer for analyzing trace impurities in high-purity germane gas
03/26/2014CN103675139A Online monitoring system for oil chromatography of wind power dedicated box-type substation
03/26/2014CN103675138A Ultra-high performance liquid chromatogram detection method for terlipressin and impurities thereof
03/26/2014CN103675137A Ornidazole injection liquid quality control method
03/26/2014CN103675136A Soft-shelled turtle fatty acid analysis method
03/26/2014CN103675135A Content determination method of traditional Chinese medicine composition
03/26/2014CN103675134A Method for detecting benzene series pollutants in gas by using internal standard method
03/26/2014CN103675133A Method for detecting amino acids and organic acids in cells through gas chromatography-mass spectrometry
03/26/2014CN103675132A Method for detecting amino acids, saccharides and organic acids in cells through gas chromatography-mass spectrometry
03/26/2014CN103675131A Gas chromatography-mass spectrometry detection method for intracellular carbohydrates
03/26/2014CN103675130A Gas chromatography-mass spectrometry detection method for amino acids and carbohydrates in extracellular fluid and intracellular fluid
03/26/2014CN103675129A Gas chromatography-mass spectrometry detection method for intracellular carbohydrates and organic acids
03/26/2014CN103675128A Method for detecting amino acid in intracellular and extracellular fluids by gas chromatography-mass spectrum
03/26/2014CN103675127A Method for distinguishing flavor substance in edible mushroom through combination of headspace gas chromatography-mass spectrometer and electronic nose
03/26/2014CN103675126A Purge-and-trap detection method of volatile flavor substances in sour-dough steamed bun
03/26/2014CN103675125A Test device for sampling efficiency of volatile organic compounds in air
03/26/2014CN103675124A Headspace solid phase microextraction detection method for volatile flavor substances in sour dough steamed buns
03/26/2014CN103675123A Test method for sampling efficiency of volatile organic compounds in air and special device
03/26/2014CN103675122A Method for detecting efficiency for intercepting phenol compound in flue gas by filter-tip
03/26/2014CN103675121A Detection method for controlling quality of false chinese swertia herb pills with eight ingredients through fingerprint chromatogram method
03/26/2014CN103675120A Method for detecting effective components of Bishitong-branded crossostephium leaf slice
03/26/2014CN103675119A Experiment device for recycling ammonia in LED (light emitting diode) mixed waste gas by compression refrigeration method and verifying method of experiment device
03/26/2014CN103675118A Detection method for simultaneously detecting nitrite, nitrate and polyphosphates in aquatic products
03/26/2014CN103675117A Establishment method and application of Zhengxintai tablet fingerprint
03/26/2014CN103675116A Method and system for virtualizing fault detection and maintenance process of insulation oil gas chromatography system
03/26/2014CN103675115A High-content rapid screening method for magnetic beads of ocean natural active materials
03/26/2014CN103675114A Method for detecting erythritol
03/26/2014CN103675113A Fingerprint detection method for daemonorps dracoblume
03/26/2014CN103675112A Method for measuring dosage uniformity of glyceryl triacetate in cigarette filters
03/26/2014CN103675111A Method for detecting content of main component of nepal dock root in nephritis treatment tablets
03/26/2014CN103675110A Separation and assay determination method for components of tetrabromobisphenol A
03/26/2014CN103675080A Headspace sampler and ion mobility spectrometry combined system
03/26/2014CN103674990A Determination method for filthy components of high-voltage insulator
03/26/2014CN103674930A Determination method for components of SF6 gas equipment fault melts
03/26/2014CN103674844A Flow cell
03/26/2014CN103674336A Thermal flow sensor with vibrating element and gas sensor with at least one such thermal flow sensor
03/26/2014CN103667034A Culture device and method for activity detection of soil hydrocarbon oxidation bacteria
03/26/2014CN103666767A Preparation method of salix caprea volatile oil and application thereof
03/26/2014CN103655920A Health-protection traditional Chinese medicinal preparation
03/26/2014CN103655919A Liver-protection traditional Chinese medicinal preparation
03/26/2014CN103655717A Preparation method for low sugar type mulberry decocted extract
03/26/2014CN103655687A Preparation method and detection method of injection for treating lumbar disc herniation
03/26/2014CN103063778B Analysis method for lamivudine related substance inspection
03/26/2014CN103018355B Method for monitoring gas in transformer oil on line
03/26/2014CN102841154B Quality testing method of Ganshao Xiaoke tablets
03/26/2014CN102772500B Relingqing Polygonum capitatum Buch-Ham ex D.Don raw material extract with anti-inflammatory action
03/26/2014CN102772497B Alcohol extraction effective part of medicinal material of Relinqing granules and preparation method thereof
03/26/2014CN102749390B Method for determining contents of microscale allene and acetylene in MTO (methanol to olefin) products through gas chromatography
03/26/2014CN102721782B Method for detecting quality of philippine flemingia root formula granules
03/26/2014CN102707011B Thin-layer chromatography identification method of white gourd kernel formula granules
03/26/2014CN102707010B Quality detection method of Chinese medicinal preparation fetal lie pill
03/26/2014CN102707006B Quality detection method of cudrania tricuspidata formula granules
03/26/2014CN102706949B Method for determination of inorganic element in fuel gas
03/26/2014CN102662027B Thin-layer chromatography identification method of caulis tinosporae sinensis formula granules
03/26/2014CN102659616B Pre-column derivatization reagent and preparation process
03/26/2014CN102645493B Detection method of Wuweiganlu preparation
03/26/2014CN102590404B Method for testing contents of absorbed and transported diterpene alkaloids of radix aconiti carmichaeli in Caco-2 cell model
03/26/2014CN102552368B Sugarless gingkgo oral liquid and preparation method and detection method thereof
03/26/2014CN102539597B Method for quickly identifying notopterygium incisum seed and notopterygium franchetii seed
03/26/2014CN102520097B Zero air generator
03/26/2014CN102495154B Method for detecting in-vitro enzymolysis of cross-linked hyaluronic acid by utilizing water-phase gel permeation chromatography
03/26/2014CN102368063B Testing method for related substances of drug combination containing tegafur, gimeracil and oteracil potassium
03/26/2014CN102323339B Method for detecting stability of liquid phase chromatographic column
03/26/2014CN102253158B Ion chromatography circulating column switching analysis system and detection method thereof
03/26/2014CN101647993B Medicament for treating flu and preparation and detection method thereof
03/26/2014CN101617224B Interfacing low-flow separation techniques
03/26/2014CN101229323B Lily oral liquid and quality standard and test method of pharmaceutical preparation thereof
03/25/2014US8679773 Kits pertaining to analyte determination
03/25/2014US8679409 Filter device, filter method and trace detector
03/25/2014US8679346 Optical-isomer-separating agent
03/25/2014US8679332 Flow sensing apparatus used to monitor/provide feedback system to a split flow pumping system
03/25/2014US8677808 Sample injection system
03/21/2014CA2827346A1 Cloud computing system for sampling fluid from a well with a gas trap
03/20/2014WO2014043180A1 Multi-component eluent generating system and method
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