G:	PHYSICS
G01:	INSTRUMENTS; MEASURING (counting G06M); TESTING
G01N:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (separating components of materials in general B01D, B01J, B03, B07; apparatus fully provided for in a single other subclass, see the relevant subclass, e.g. B01L; measuring or testing processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q; investigation of foundation soil in situE02D1/00; sensing humidity changes for compensating measurements of other variables or for compensating readings of instruments for variations in humidity, seeG01D or the relevant subclass for the variable measured; testing or determining the properties of structures G01M; measuring or investigating electric or magnetic properties of materials G01R; systems or methods in general, using reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G01S; determining sensivity, graininess, or density of photographic materials G03C5/02; testing component parts of nuclear reactors G21C17/00; {controlling or regulating non-electric variables G05D; measuring degree of ionisation of ionised gases, i.e. plasma H05H1/0006; testing electrographic developer properties G03G15/0848})
G01N30/00:	Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography (G01N3/00 - G01N29/00 take precedence; separation for the preparation or production of components B01D15/00, B01D53/02, B01D53/14; solid sorbent compositions in general B01J20/00; ion-exchange in general B01J39/00 - B01J49/00){or field flow fractionation (for preparation or production of components B01D21/00, B01D43/00, B01D45/00 or B03C)}
G01N30/0005:	. Field flow fractionation
G01N30/02:	. Column chromatography
G01N30/04:	. . Preparation or injection of sample to be analysed
G01N30/06:	. . . Preparation
G01N30/08:	. . . . using an enricher
G01N30/10:	. . . . using a splitter
G01N30/12:	. . . . by evaporation
G01N30/14:	. . . . by elimination of some components
G01N30/16:	. . . Injection (G01N30/24 takes precedence)
G01N30/18:	. . . . using a septum or microsyringe
G01N30/20:	. . . . using a sampling valve
G01N30/22:	. . . . in high pressure liquid systems
G01N30/24:	. . . Automatic injection systems
G01N30/26:	. . Conditioning of the fluid carrier; Flow patterns
G01N30/28:	. . . Control of physical parameters of the fluid carrier
G01N30/30:	. . . . of temperature
G01N30/32:	. . . . of pressure or speed (G01N30/36 takes precedence)
G01N30/34:	. . . . of fluid composition, e.g. gradient (G01N30/36 takes precedence)
G01N30/36:	. . . . in high pressure liquid systems
G01N30/38:	. . . Flow patterns
G01N30/40:	. . . . using back flushing
G01N30/42:	. . . . using counter-current
G01N30/44:	. . . . using recycling of the fraction to be distributed
G01N30/46:	. . . . using more than one column {G01N30/44 takes precedence}
G01N30/461:	. . . . . with serial coupling of separation columns
G01N30/462:	. . . . . . with different eluents or with eluents in different states (G01N30/463 takes precedence)
G01N30/463:	. . . . . . for multidimensional chromatography
G01N30/465:	. . . . . . with specially adapted interfaces between the columns
G01N30/466:	. . . . . with separation columns in parallel
G01N30/467:	. . . . . . all columns being identical
G01N30/468:	. . . . . involving switching between different column configurations
G01N30/48:	. . Sorbent materials therefor
G01N30/482:	. . . Solid sorbents
G01N30/50:	. . Conditioning of the sorbent material or stationary liquid
G01N30/52:	. . . Physical parameters
G01N30/54:	. . . . Temperature
G01N30/56:	. . . Packing methods or coating methods
G01N30/58:	. . . the sorbent moving as a whole
G01N30/60:	. . Construction of the column
G01N30/6004:	. . . end pieces
G01N30/6017:	. . . . Fluid distributors
G01N30/6021:	. . . . Adjustable pistons
G01N30/6026:	. . . . Fluid seals
G01N30/603:	. . . . retaining the stationary phase, e.g. Frits
G01N30/6034:	. . . joining multiple columns
G01N30/6039:	. . . . in series
G01N30/6043:	. . . . in parallel
G01N30/6047:	. . . with supporting means; Holders
G01N30/6052:	. . . body
G01N30/606:	. . . . with fluid access or exit ports
G01N30/6065:	. . . . with varying cross section
G01N30/6069:	. . . . with compartments or bed substructure
G01N30/6073:	. . . . in open tubular form
G01N30/6078:	. . . . . Capillaries
G01N30/6082:	. . . . transparent to radiation
G01N30/6086:	. . . . form designed to optimise dispersion
G01N30/6091:	. . . Cartridges
G01N30/6095:	. . . Micromachined or nanomachined, e.g. micro- or nanosize
G01N30/62:	. . Detectors specially adapted therefor
G01N30/64:	. . . Electrical detectors
G01N30/66:	. . . . Thermal conductivity detectors
G01N30/68:	. . . . Flame ionisation detectors
G01N30/70:	. . . . Electron capture detectors
G01N30/72:	. . . Mass spectrometers {mass spectrometers per seH01J49/00}
G01N30/7206:	. . . . interfaced to gas chromatograph (interfaces in general for introducing or extracting samples to be analysed with specially adapted mass spectrometer, seeH01J49/04)
G01N30/7213:	. . . . . splitting of the gaseous effluent
G01N30/722:	. . . . . through a gas permeable barrier (membranes, porous layers)
G01N30/7233:	. . . . interfaced to liquid or superfluid chromatograph (interfaces in general for introducing or extracting samples to be analysed with specially adapted mass spectrometer, seeH01J49/04)
G01N30/724:	. . . . . Nebulising, aerosol formation or ionisation (spraying or atomising in general B05B)
G01N30/7246:	. . . . . . by pneumatic means
G01N30/7253:	. . . . . . by thermal means, e.g. thermospray
G01N30/726:	. . . . . . by electrical or glow discharge
G01N30/7266:	. . . . . . by electric field, e.g. electrospray
G01N30/7273:	. . . . . Desolvation chambers
G01N30/728:	. . . . Intermediate storage of effluent, including condensation on surface
G01N30/7286:	. . . . . the store moving as a whole, e.g. moving wire
G01N30/7293:	. . . . Velocity or momentum separators
G01N30/74:	. . . Optical detectors {measurement of intensity, velocity, spectral content, polarisation, or phase of infra-red, visible or ultra-violet light G01J}
G01N30/76:	. . . Acoustical detectors {measurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves G01H}
G01N30/78:	. . . using more than one detector
G01N30/80:	. . Fraction collectors
G01N30/82:	. . . Automatic means therefor
G01N30/84:	. . Preparation of the fraction to be distributed
G01N30/86:	. . Signal analysis
G01N30/8603:	. . . with integration or differentiation
G01N30/8606:	. . . . Integration
G01N30/861:	. . . . Differentiation
G01N30/8613:	. . . . Dividing or multiplying by a constant
G01N30/8617:	. . . . Filtering, e.g. Fourier filtering
G01N30/8624:	. . . Detection of slopes or peaks; baseline correction
G01N30/8627:	. . . . Slopes
G01N30/8631:	. . . . Peaks
G01N30/8634:	. . . . . Peak quality criteria
G01N30/8637:	. . . . . Peak shape
G01N30/8641:	. . . . Baseline
G01N30/8644:	. . . . Data segmentation, e.g. time windows
G01N30/8651:	. . . Recording, data aquisition, archiving and storage
G01N30/8655:	. . . . Details of data formats
G01N30/8658:	. . . Optimising operation parameters
G01N30/8662:	. . . . Expert systems; optimising a large number of parameters
G01N30/8665:	. . . for calibrating the measuring apparatus
G01N30/8668:	. . . . using retention times
G01N30/8672:	. . . . not depending on an individual instrument, e.g. retention time indexes or calibration transfer
G01N30/8675:	. . . Evaluation, i.e. decoding of the signal into analytical information (for analysis of specific compounds see also G01N30/88 and subgroups of G01N33/00; chemical libraries per seC40B)
G01N30/8679:	. . . . Target compound analysis, i.e. whereby a limited number of peaks is analysed
G01N30/8682:	. . . . Group type analysis, e.g. of components having structural properties in common
G01N30/8686:	. . . . Fingerprinting, e.g. without prior knowledge of the sample components
G01N30/8689:	. . . . Peak purity of co-eluting compounds
G01N30/8693:	. . . Models, e.g. prediction of retention times, method development and validation
G01N30/8696:	. . . Details of Software
G01N30/88:	. . Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86(signal analysis systems per seG06F, G06G)
G01N30/89:	. Inverse chromatography
G01N30/90:	. Plate chromatography, e.g. thin layer or paper chromatography
G01N30/91:	. . Application of the sample
G01N30/92:	. . Construction of the plate
G01N30/93:	. . . Application of the sorbent layer
G01N30/94:	. . Development
G01N30/95:	. . Detectors specially adapted therefor; Signal analysis
G01N30/96:	. using ion-exchange (G01N30/02, G01N30/90 take precedence)