| 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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| 10/31/2012 | CN102755382A Method for processing schisandra chinensis |
| 10/31/2012 | CN102755369A Traditional Chinese medicine composition used for treating oral diseases, preparation process thereof, and quality detection method thereof |
| 10/31/2012 | CN102288699B Method for measuring acetic anhydride and pyridine in reaction liquid with gas phase chromatography internal standard method |
| 10/31/2012 | CN102258665B Inspection method of Chinese medicinal composition for treating cough and asthma |
| 10/31/2012 | CN102228505B Chinese medicinal composition with effects of nourishing heart and tranquilizing mind and preparation method and detection method thereof |
| 10/31/2012 | CN102145134B Detection methods of pharmaceutical composition for treatment of wind-heat cold of children |
| 10/31/2012 | CN102119978B Composition for relieving exterior syndrome and clearing away heat and toxic materials, and preparation method and detection method thereof |
| 10/31/2012 | CN102100807B Chinese medicine composition for regulating qi, widening chest and relieving pain as well as detection method thereof |
| 10/31/2012 | CN101972637B Triazines herbicide solid phase extraction tube and manufacturing method thereof |
| 10/31/2012 | CN101953915B Content measuring method and discriminating method for pharmaceutical composition preparation |
| 10/31/2012 | CN101919961B Drug composition for treating cold and preparation method thereof |
| 10/31/2012 | CN101703728B Quality detection method for stomach warming and soothing capsules |
| 10/31/2012 | CN101698087B Detection method of Yidan tablets |
| 10/31/2012 | CN101566605B Analysis method for coexistence of ammonium ion and N, N-dimethylhydroxylamine |
| 10/31/2012 | CN101464436B High performance liquid chromatography analysis method for 2,2-2(3-amino-4-hydroxyl radical) phenyl propane and its impurity content |
| 10/30/2012 | US8297135 Analysis of substance mixtures |
| 10/30/2012 | US8297107 System for regulating fluid flowing through chromatographic column |
| 10/30/2012 | US8297106 Gas chromatography system and method |
| 10/26/2012 | WO2012145039A1 Sample introduction method and system for atomic spectrometry |
| 10/25/2012 | US20120270330 Hybrid Separation and Detection Device for Chemical Detection and Analysis |
| 10/25/2012 | US20120270255 Methods for isolating and quantifying antigen from vaccines |
| 10/25/2012 | US20120270205 High-flux chemical sensors |
| 10/25/2012 | US20120269728 Methods and compositions for detecting one or more target agents using tracking components |
| 10/25/2012 | US20120266654 Device for detecting volatile substances, apparatus using said device and revelant operative method |
| 10/25/2012 | DE102011007768A1 Cooling system for cooling sample of sample container in sample injector of sample separation device, comprises primary cooling unit for adjusting primary temperature in sample chamber, which has sample container with sample |
| 10/24/2012 | EP2515107A1 Method for quantification of carotenoid |
| 10/24/2012 | EP2513646A1 Helium reclamation systems and methods for a gas chromatograph |
| 10/24/2012 | EP2513645A2 Device and methods for performing size exclusion chromatography |
| 10/24/2012 | EP2513626A2 Multi-analyte detection system and method |
| 10/24/2012 | EP2513625A1 Device and method for producing a sample from a liquid |
| 10/24/2012 | EP2512625A1 Gas chromatography inlet liners and sample path containers |
| 10/24/2012 | EP2512613A1 Chromatography column and maintenance method |
| 10/24/2012 | CN202502078U Dynamic monitoring system for sodium ions |
| 10/24/2012 | CN202502077U Solution delivery apparatus for high performance liquid chromatography |
| 10/24/2012 | CN202502076U Gas chromatograph for gas |
| 10/24/2012 | CN202501076U GC valve controller |
| 10/24/2012 | CN1975413B Reference mass introduction via a capillary |
| 10/24/2012 | CN102753970A High-speed liquid chromatography device and method for supplying liquid to high-speed liquid chromatography device |
| 10/24/2012 | CN102749414A Quality control method for Uighur medicine spikenard strength replenishing preparation |
| 10/24/2012 | CN102749413A Quality detection method of traditional Chinese medicine composition for treating headache |
| 10/24/2012 | CN102749412A Ion chromatography and voltammetric detection method for quickly determining anions in milk |
| 10/24/2012 | CN102749411A Determination method for acrylamide in main stream smoke of cigarette |
| 10/24/2012 | CN102749410A Method for determining sulfur dioxide residual quantity in Chinese herbal medicine |
| 10/24/2012 | CN102749409A Method for evaluating traditional Chinese medicine preparation making technology based on metabonomics technology |
| 10/24/2012 | CN102749408A Method for detecting lysing agent content in subunit influenza vaccine |
| 10/24/2012 | CN102749407A Method for determining timosaponin BII content of traditional Chinese medicine composition |
| 10/24/2012 | CN102749406A Method for simultaneously detecting residue quantities of multiple hormone veterinary drugs |
| 10/24/2012 | CN102749405A Quantitative analysis method for pentacyclic triterpane compound in petroleum sample |
| 10/24/2012 | CN102749404A Method for detecting N-methyl carbamate pesticide residues |
| 10/24/2012 | CN102749403A Special sampling device for online chromatographic analysis system |
| 10/24/2012 | CN102749402A Preparation method of morphine hydrochloride standard substance |
| 10/24/2012 | CN102749401A Quality inspection method of traditional Chinese medicine composition twenty-five-ingredient lung disease preparation |
| 10/24/2012 | CN102749400A Method for constructing HPLC-DAD (High Performance Liquid Chromatography-Diode Array Detector) fingerprint chromatography of zanthoxylum oil |
| 10/24/2012 | CN102749399A Method for detecting caffeic acid content in tobacco |
| 10/24/2012 | CN102749398A Method for detecting 4,4'-diaminodiphenyl ether content |
| 10/24/2012 | CN102749397A Analysis method of compound amino acid and dipeptide injection |
| 10/24/2012 | CN102749396A Method for detecting fatty acid content by gas chromatography-mass spectrometry (GC-MS) |
| 10/24/2012 | CN102749395A Construction method of GC-MS fingerprint spectrum of Kadsura heteroclita (Roxb.) Craib volatile oil and its fingerprint spectrum |
| 10/24/2012 | CN102749394A Separation and measurement method for reduction-type ascorbic acid and erythorbic acid in fruit and vegetable tissues and related products |
| 10/24/2012 | CN102749393A Method for measring dimethyl ether content in liquefied petroleum gas |
| 10/24/2012 | CN102749392A Chemical outline technology of traditional Chinese drug dissolution determination |
| 10/24/2012 | CN102749391A Method for determining content of monomer aromatic hydrocarbons in gasoline through gas chromatography |
| 10/24/2012 | CN102749390A Method for determining contents of microscale allene and acetylene in MTO (methanol to olefin) products through gas chromatography |
| 10/24/2012 | CN102749389A Analytic method of acrylonitrile material |
| 10/24/2012 | CN102749388A Performance monitoring method of oil chromatogram on-line monitoring equipment |
| 10/24/2012 | CN102749299A Quality detection method of traditional Chinese medicine composition medlar thirst quenching preparation |
| 10/24/2012 | CN102749240A Method for extracting astaxanthin from Antarctic krill and detection method for astaxanthin |
| 10/24/2012 | CN102746184A Preparation method of iohexol impurity |
| 10/24/2012 | CN102435681B Preprocessing method suitable for analyzing estrogen and bisphenol A in complex matrix solid sample |
| 10/24/2012 | CN102175790B HPLC (high performance liquid chromatography) method for synchronously detecting five polyphenols in apples and distinguishing varieties |
| 10/24/2012 | CN102128909B Method for separately identifying hybrid, single-chain and double-chain quaternary ammonium salts in disinfectant |
| 10/24/2012 | CN102068673B Quality control method of stomach-strengthening and chest-relieving pill as Chinese herbal preparation |
| 10/24/2012 | CN102068657B Quality control method of venation relaxing pill as Chinese herbal preparation |
| 10/24/2012 | CN102068649B Quality control method for gastric condition-regulating pill as traditional Chinese preparation |
| 10/24/2012 | CN102049028B Method for establishing HPLC (high performance liquid chromatography) fingerprint graphic for ointment for unblocking collaterals and relieving pain as well as standard fingerprint graphic thereof |
| 10/24/2012 | CN102048906B Content measurement method of abrus herb capsules |
| 10/24/2012 | CN101985481B Bis[6-oxygen-(-3-m-nitrobenzene sulfonyl-amber acid-1,4 uniester-4)-]-beta-cyclodextrin, preparation method and use |
| 10/24/2012 | CN101957346B Novel method for studying medicament metabolism by using model organism zebrafish |
| 10/24/2012 | CN101893608B Method for detecting chemical compositions in dendranthema lavandulifolium essential oil |
| 10/24/2012 | CN101797328B Production process of Zhenqi capsule and test method thereof |
| 10/24/2012 | CN101793881B Method for detecting biogenic amine in food |
| 10/24/2012 | CN101788541B Method for separating, enriching and identifying macromolecular weight protein |
| 10/24/2012 | CN101788540B Method for measuring content of kaempferol p-coumadin acyl glucose rhamnoside in ginkgo leaves or relevant preparation thereof |
| 10/24/2012 | CN101762661B Chromatographic column box and gas chromatographer thereof |
| 10/24/2012 | CN101744946B Chinese medicinal composition and detection method for Chinese medicinal composition preparation |
| 10/24/2012 | CN101718756B Method for simultaneously measuring residual quantity of three types of herbicide in vega soil |
| 10/24/2012 | CN101678316B Methods and devices using a shrinkable support for porous monolithic materials |
| 10/24/2012 | CN101629934B Chromatography online monitoring system for transformer oil |
| 10/24/2012 | CN101487822B L-phenylalanine analysis detection method based on molecular engram integral column |
| 10/24/2012 | CN101005002B Optimizing field type four pole rod |
| 10/23/2012 | US8296078 Method of multi-dimensional moment analysis for the characterization of signal peaks |
| 10/23/2012 | US8294119 Planar electronebulization sources modeled on a calligraphy pen and the production thereof |
| 10/23/2012 | US8293876 Method of purification of hydrophobic proteins |
| 10/23/2012 | CA2516264C Atmospheric pressure charged particle discriminator for mass spectrometry |
| 10/23/2012 | CA2488127C Antibodies directed against prothrombin fragment f1+2, the preparation and use thereof |
| 10/23/2012 | CA2482173C Method for detecting low concentrations of a target bacterium that uses phages to infect target bacterial cells |
| 10/18/2012 | WO2012141387A1 Device for manufacturing radiopharmaceuticals |
| 10/18/2012 | WO2012141252A1 Gaseous-fuel analyzer and system for controlling gas turbine |
| 10/18/2012 | WO2012140603A1 Method for profiling phytohormone levels in plant tissue |
| 10/18/2012 | WO2012139586A1 Capillary assembly useful as connecting capillary |