| 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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| 05/08/2013 | CN102539566B Method for fast detecting content of dioscin in dioscorea zingiberensis by utilizing near infrared spectrum technology | 
| 05/08/2013 | CN102523862B Cultivation and quality control method for ixeris sonchifolia hance for Kudiezi injection | 
| 05/08/2013 | CN102507769B Quantitative determination method of chlorogenic acid and three kinds of isochlorogenic acid in lonicera flower medicinal material and preparation thereof | 
| 05/08/2013 | CN102445510B LC-MC method used for determining NNK metabolites in liver microsomes | 
| 05/08/2013 | CN102445509B Reversed phase ion pair HPLC (high performance liquid chromatography) method for rapid trace detection of TTX (tetrodoxin) in fresh puffer fish blood | 
| 05/08/2013 | CN102435691B Measuring method of C1 content in phenol-containing sample | 
| 05/08/2013 | CN102435688B Method for detecting illegal cooking oil by using liquid chromatography-mass spectrometry (LC-MS) instrument | 
| 05/08/2013 | CN102338779B Method for detecting sorbic acid content in cheese | 
| 05/08/2013 | CN102288697B Method for measuring content of caprolactam in air and waste gas | 
| 05/08/2013 | CN102183593B Method for detecting mannitol content of cordyceps hawkesii | 
| 05/08/2013 | CN102142352B Electro-spray ion generator | 
| 05/08/2013 | CN102128889B Method for quantitatively measuring baicalein and wogonin in scutellaria baicalensis simultaneously | 
| 05/08/2013 | CN102040857B Pyrosine standard substance as well as preparation method and application thereof | 
| 05/08/2013 | CN101975829B Screening method and application of alpha-glucosidase inhibitor | 
| 05/08/2013 | CN101793883B Method for evaluating Traditional Chinese medicine activity and mechanism based on holistic approach | 
| 05/07/2013 | US8435799 Evaluating heparin preparations for pharmaceutical use | 
| 05/07/2013 | US8435527 Purification method which prevents denaturation of an antibody | 
| 05/07/2013 | US8434349 Method of analysing the hydrocarbon compounds in a bituminous material | 
| 05/02/2013 | WO2013062635A2 Automated conversion between sfc and hplc | 
| 05/02/2013 | WO2013062624A1 Method and system for liquid chromatography fluidic monitoring | 
| 05/02/2013 | WO2013062105A1 Silica spherical body and affinity carrier | 
| 05/02/2013 | WO2013062084A1 Analysis device and analysis method | 
| 05/02/2013 | WO2013061816A1 Novel compound contained in manuka honey and use of same | 
| 05/02/2013 | WO2013061585A1 Filter device and analysis device using same | 
| 05/02/2013 | WO2013061141A1 Apparatus and method for fractionation | 
| 05/02/2013 | WO2013060829A2 On-line system and method for nicotine analysis of a smoking article | 
| 05/02/2013 | US20130104631 Pump for liquid chromatograph, and liquid chromatograph | 
| 05/02/2013 | DE102012021052A1 Verstärkte stufenweise Elution eines beladenen Harzes Reinforced stepwise elution of a loaded resin | 
| 05/02/2013 | DE102011117582A1 Reaktanten für Ladungstransfer-Reaktionen in Massenspektrometern Reactants for charge transfer reactions in mass spectrometers | 
| 05/02/2013 | DE102009032394B4 Verfahren zum longitudinalen Mischen einer aus wenigstens zwei flüssigen Komponenten bestehenden Flüssigkeit für die Hochleistungsflüssigkeitschromatographie A method for mixing a longitudinal consisting of at least two liquid components for high performance liquid | 
| 05/01/2013 | EP2585887A1 Method of preparing liquid mixtures | 
| 05/01/2013 | EP2585820A1 Miniature hplc device | 
| 05/01/2013 | EP2585187A1 A bag for a circuit of a biological liquid treatment installation | 
| 05/01/2013 | EP2585186A1 Method for performing maintenance on a chromatography column | 
| 05/01/2013 | CN202916249U Novel capillary column preparing device | 
| 05/01/2013 | CN202916248U Sample injection preprocessing device for liquefied gas sample | 
| 05/01/2013 | CN103080747A Glatiramer acetate molecular weight markers | 
| 05/01/2013 | CN103076425A Method for detecting quality of cordia dichotoma | 
| 05/01/2013 | CN103076424A Oxytropis medical material and detection method of oxytropis medical material preparation | 
| 05/01/2013 | CN103076423A Separation and detection method for besifloxacin enantiomer | 
| 05/01/2013 | CN103076422A Ion chromatograph for multichannel detection and usage method thereof | 
| 05/01/2013 | CN103076421A Analytic method for related substance examination of rebamipide | 
| 05/01/2013 | CN103076420A Method for detecting multicomponent microcystins through ultra-high performance liquid chromatography/triple quadrupole tandem mass spectrometry | 
| 05/01/2013 | CN103076419A Method for forecasting temperature programmed gas chromatograph retention time | 
| 05/01/2013 | CN103076418A Method for preparing monolithic ellagic molecularly imprinted polymer column by using in-situ polymerization method | 
| 05/01/2013 | CN103076417A Method for synchronously extracting organic pollutants in water sample | 
| 05/01/2013 | CN103076416A Method for enriching clenbuterol, ractopamine and salbutamol in urine sample of breeding livestock | 
| 05/01/2013 | CN103076415A Method for enriching nature tetracycline antibiotics in aquatic products | 
| 05/01/2013 | CN103076414A Pretreatment method capable of eliminating polyhydric alcohol matrix interference in tobacco essence analysis | 
| 05/01/2013 | CN103076413A Binary logistic regression analysis method for identifying crude oil from fuel oil | 
| 05/01/2013 | CN103076412A Method for distinguishing transport function of protein employing non-radioactivity | 
| 05/01/2013 | CN103076411A Analytical method for determining aromatic constituents in tea | 
| 05/01/2013 | CN103076410A Dissolution rate detection method for simvastatin | 
| 05/01/2013 | CN103076409A Analysis and detection method for oxiracetam and impurities thereof | 
| 05/01/2013 | CN103076408A Clerodendrum fragrans HPLC standard fingerprint spectrum and building method and application thereof | 
| 05/01/2013 | CN103076407A Fast detection method for food preservative agent and antioxidant | 
| 05/01/2013 | CN103076406A Method for testing 3-ethyl-2-methyl-2-3-methyl butyl-1, 3-oxazolidine | 
| 05/01/2013 | CN103076405A Maixuekang capsule detection method | 
| 05/01/2013 | CN103076404A Method for detecting total latent hydrocarbon content in natural gas | 
| 05/01/2013 | CN103076403A Quality inspection method for capsule for treating lower urinary tract infection | 
| 05/01/2013 | CN103076325A Quality control method for blood sugar-lowering preparation | 
| 05/01/2013 | CN103071315A Preparation and application of minitype efficient salbutamol immunoaffinity purification enriching column | 
| 05/01/2013 | CN103071313A Packing system and method for chromatography columns | 
| 05/01/2013 | CN103071134A External preparation for treating rheumatic arthrodynia and traumatic pain and swelling and preparation method thereof | 
| 05/01/2013 | CN103071006A Preparation method and quality inspection method of traditional Chinese medicine for treating kidney failure | 
| 05/01/2013 | CN103070931A Traditional Chinese medicine extract with heat-clearing, detoxifying, antibacterial and anti-inflammatory functions and preparations and quality control method thereof | 
| 05/01/2013 | CN103070912A Sophora flavescens totall flavone extract product, preparation method and quality detection method | 
| 05/01/2013 | CN102590370B Method for synchronously determining monosaccharide, uronic acid and saccharic acid in wood fiber material reaction system | 
| 05/01/2013 | CN102288708B Method for detecting quality of capsules used for promoting blood circulation and stopping pain | 
| 05/01/2013 | CN102288685B Method for measuring cation exchange capacity of weathered crust illuviation rare earth ore | 
| 05/01/2013 | CN102253137B Detection method of trace volatile sulfide in gypsum board | 
| 05/01/2013 | CN102233021B Content measurement method for Chinese patent medicine prepared from sweet wormwood, honeysuckle and gardenia jasminoides fruit | 
| 05/01/2013 | CN102230924B Method for determining content of free nicotine in tobaccos and tobacco products | 
| 05/01/2013 | CN102175777B Measuring instrument and measuring method of greenhouse gases | 
| 05/01/2013 | CN102128890B High-sensitivity testing method capable of simultaneously implementing measurement of multiple negative ions | 
| 05/01/2013 | CN102072944B Cation type chitosan bonded and modified capillary electrochromatography open tubular column and manufacturing method thereof | 
| 05/01/2013 | CN102033117B Chromatographic qualitative detection method for identifying water-soluble toluylene bistriazine fluorescent whiteners | 
| 05/01/2013 | CN102004131B Method for detecting glyceroltriacetate in cigarette filter rods | 
| 05/01/2013 | CN101982769B Cutting, sub-sampling and purifying device and method for gel chromatography purifying system | 
| 05/01/2013 | CN101813679B Method for detecting preparation success of artificial antigens | 
| 05/01/2013 | CN101780190B Detection method for pharmaceutic preparation containing sanguis draconis extract | 
| 05/01/2013 | CN101738447B Method for determining content of compound by utilizing relative correction factor | 
| 05/01/2013 | CN101339178B Metformin hydrochloride enteric-coated tablets quality control method | 
| 04/30/2013 | US8431405 Hyperglycosylated hCG detection device | 
| 04/30/2013 | CA2667523C High accuracy contamination estimation in hydrocarbon samples using gc x gc | 
| 04/25/2013 | WO2013059253A1 Process analytic instrument with multi-tube connection | 
| 04/25/2013 | WO2013059234A1 Biomarkers for amyotrophic lateral sclerosis and methods using the same | 
| 04/25/2013 | WO2013058084A1 Sample cell and spectrophotometer | 
| 04/25/2013 | US20130102478 Internal standards and methods for use in quantitatively measuring analytes in a sample | 
| 04/25/2013 | US20130101578 Biomarker for renal function in patients with type 2 diabetes | 
| 04/25/2013 | US20130098140 Process analytic instrument with multi-tube connection | 
| 04/25/2013 | DE112010004267T5 Probengestell Sample frame | 
| 04/24/2013 | EP2584354A1 Resolving agent for optical isomers | 
| 04/24/2013 | EP2584353A1 Collimating system for multi-angle light diffusion detectors | 
| 04/24/2013 | EP2583093A1 Fluid distributor unit | 
| 04/24/2013 | EP2583008A1 Valve for high pressure analytical system | 
| 04/24/2013 | CN202903756U Batch-type thin layer chromatography plate paver | 
| 04/24/2013 | CN202903755U Saturate tank | 
| 04/24/2013 | CN202903754U Inlet gas path automatic control structure of flame ionization detector of gas chromatograph | 
| 04/24/2013 | CN202903753U Rapid cooling structure of column box of gas chromatograph |