Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange

GPHYSICS G01Measuring instruments G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange

G01N30/0005Field flow fractionation G01N30/02Column chromatography G01N30/04Preparation or injection of sample to be analysed G01N30/06Preparation G01N30/08using an enricher G01N30/10using a splitter G01N30/12by evaporation G01N30/14by elimination of some components G01N30/16Injection G01N30/18using a septum or microsyringe G01N30/20using a sampling valve G01N30/22in high pressure liquid systems G01N30/24Automatic injection systems G01N30/26Conditioning of the fluid carrier Flow patterns G01N30/28Control of physical parameters of the fluid carrier G01N30/30of temperature G01N30/32of pressure or speed G01N30/34of fluid composition G01N30/36in high pressure liquid systems G01N30/38Flow patterns G01N30/40using back flushing G01N30/42using counter-current G01N30/44using recycling of the fraction to be distributed G01N30/46using more than one column G01N30/461with serial coupling of separation columns G01N30/462with different eluents or with eluents in different states G01N30/463for multidimensional chromatography G01N30/465with specially adapted interfaces between the columns G01N30/466with separation columns in parallel G01N30/467all columns being identical G01N30/468involving switching between different column configurations G01N30/48Sorbent materials therefor G01N30/482Solid sorbents G01N30/50Conditioning of the sorbent material or stationary liquid G01N30/52Physical parameters G01N30/54Temperature G01N30/56Packing methods or coating methods G01N30/58the sorbent moving as a whole G01N30/60Construction of the column G01N30/6004end pieces G01N30/6017Fluid distributors G01N30/6021Adjustable pistons G01N30/6026Fluid seals G01N30/603retaining the stationary phase G01N30/6034joining multiple columns G01N30/6039in series G01N30/6043in parallel G01N30/6047with supporting means; Holders G01N30/6052body G01N30/606with fluid access or exit ports G01N30/6065with varying cross section G01N30/6069with compartments or bed substructure G01N30/6073in open tubular form G01N30/6078Capillaries G01N30/6082transparent to radiation G01N30/6086form designed to optimise dispersion G01N30/6091Cartridges G01N30/6095Micro-machined or nano-machined G01N30/62Detectors specially adapted therefor G01N30/64Electrical detectors G01N30/66Thermal conductivity detectors G01N30/68Flame ionisation detectors G01N30/70Electron capture detectors G01N30/72Mass spectrometers G01N30/7206interfaced to gas chromatograph G01N30/7213splitting of the gaseous effluent G01N30/722through a gas permeable barrier (membranes, porous layers) G01N30/7233interfaced to liquid or superfluid chromatograph G01N30/724Nebulising, aerosol formation or ionisation G01N30/7246by pneumatic means G01N30/7253by thermal means G01N30/726by electrical or glow discharge G01N30/7266by electric field G01N30/7273Desolvation chambers G01N30/728Intermediate storage of effluent, including condensation on surface G01N30/7286the store moving as a whole G01N30/7293Velocity or momentum separators G01N30/74Optical detectors G01N30/76Acoustical detectors G01N30/78using more than one detector G01N30/80Fraction collectors G01N30/82Automatic means therefor G01N30/84Preparation of the fraction to be distributed G01N30/86Signal analysis G01N30/8603with integration or differentiation G01N30/8606Integration G01N30/861Differentiation G01N30/8613Dividing or multiplying by a constant G01N30/8617Filtering G01N30/8624Detection of slopes or peaks; baseline correction G01N30/8627Slopes G01N30/8631Peaks G01N30/8634Peak quality criteria G01N30/8637Peak shape G01N30/8641Baseline G01N30/8644Data segmentation G01N30/8651Recording, data aquisition, archiving and storage G01N30/8655Details of data formats G01N30/8658Optimising operation parameters G01N30/8662Expert systems; optimising a large number of parameters G01N30/8665for calibrating the measuring apparatus G01N30/8668using retention times G01N30/8672not depending on an individual instrument G01N30/8675Evaluation G01N30/8679Target compound analysis G01N30/8682Group type analysis G01N30/8686Fingerprinting G01N30/8689Peak purity of co-eluting compounds G01N30/8693Models G01N30/8696Details of Software G01N30/88Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 G01N30/89Inverse chromatography G01N30/90Plate chromatography G01N30/91Application of the sample G01N30/92Construction of the plate G01N30/93Application of the sorbent layer G01N30/94Development G01N30/95Detectors specially adapted therefor Signal analysis G01N30/96using ion-exchange