Provided is a method for multi-information fusion of gas sensitivity and chromatography and on-site detection and analysis of flavor substances using an electronic nose instrument. The electronic nose instrument includes a gas sensor array module (I), a capillary gas chromatographic column module (II), an automatic headspace sampling module (III), a computer control and data analysis module (IV), an automatic lifter (V) for headspace sampling, a large-volume headspace vapor generation device (VI) and two auxiliary gas sources (VII-1, VII-2). The electronic nose instrument detects a large number of odorous samples to establish a big odor data. On this basis, the normalization fusion preprocessing is done, and the cascade machine learning model realizes both an on-site recognition of many foods, condiments, fragrances and flavors, and petroleum waxes and a real-time quantitative prediction of their odor quality grades and many key component concentrations.

The disclosure includes a gas chromatograph for underground use comprising a fixing board. In some embodiments, the gas chromatograph for underground use includes a power connection socket, at least one three-way solenoid valve, a quantitative loop, an analysis module, a communication main board, a data transmission device, a sample injection membrane valve, and a gas injection pump detachably coupled to the fixing board. In some embodiments, the quantitative loop and the sample injection membrane valve are arranged and configured to couple to at least one of the at least one three-way solenoid valves.

Automated fluid handling system comprising a housing and two or more fluid handling units arranged as interchangeable modular components with an external fluidics section and an internal non fluidics section, and wherein the housing comprises a liquid handling panel with two or more of component positions for receiving said interchangeable modular components such that the external fluidics section is separated from the non fluidics section by the liquid handling panel.

An integrated viewer for multiple measurements according to a first aspect includes: a storage unit that stores, for each of a plurality of types of analyzers, a type of a feature amount obtained from a measurement result of the analyzer; a display control unit that displays types of feature amounts stored in the storage unit on a display screen in a selectable manner; and a registration unit that names and registers a set of types of feature amounts selected by an operator among the types of the feature amounts. The display control unit displays, side by side on the display screen, a first display region in which the type of the feature amount is displayed in a tab for each type of the analyzers and a second display region in which the set of types of the feature amounts selected by the operator is displayed.

A device for analyzing a gaseous sample including a first housing including a detection assembly housed in the housing including a preconcentrator, a chromatography column and a detector intended to detect the presence of the separated compounds, a sampling assembly including a cartridge that is removable relative to the first housing, a control and processing unit housed in the housing and configured to execute an analysis operating mode capable of generating a first command for the detection assembly to analyze a first gaseous sample, a second command to determine the exceeding of at least one alert threshold and, if an alert threshold is exceeded, a third command for the sampling assembly to take a second gaseous sample.

An LC system includes a liquid delivery checker configured to execute a liquid delivery check mode of setting a predetermined flow rate to a liquid delivery pump and operating the liquid delivery pump at a timing different from analysis of a sample in order to check a liquid delivery flow rate of the liquid delivery pump, and a measuring instrument for measuring an amount of a mobile phase delivered by the liquid delivery pump during the liquid delivery check mode. The liquid delivery checker is configured to obtain an actual measurement value of a flow rate of a mobile phase when operating the liquid delivery pump by setting the predetermined flow rate to the liquid delivery pump using a measurement value obtained by the measuring instrument in the liquid delivery check mode.

The present invention relates to a preparative chromatography system (200, 500, 800) and a chromatography process (400, 700) adapted to repetitive cycling of chromatography volumes. The system (200, 500, 800) comprises at least two upstream pumps (203a, 803a, 203b, 803b) and separate flow paths (220) from process liquid sources to the chromatography device (200, 500, 800). The system (200, 500, 800) is arranged to prime one flow path (220) with one process liquid while providing another process liquid to the chromatography device and thereby minimizing the hold-up volume of the system (200, 500, 800).

A method comprises: obtaining, from a series of mass spectra including a most recent mass spectrum and a plurality of previously-acquired mass spectra, an elution profile comprising a plurality of detection points each representing intensity of ions accumulated over an accumulation time and detected by a detector as a function of time; classifying, based on a subset of detection points included in the plurality of detection points, a current signal state of the elution profile; and setting, for a next acquisition of a mass spectrum, the accumulation time based on the classified current signal state of the elution profile.

Disclosed is a pesticide residue detection data platform based on high resolution mass spectrum, the Internet and data science, and a method for automatically generating a detection report. The platform includes allied laboratories, a detection result database of the allied laboratories, four basic sub-databases, a data collection system and an intelligent data analysis system. The intelligent analysis system reads data according to conditions set by a user, performs various statistical analyses according to a statistical analysis model, generates charts, obtains a comprehensive conclusion, and returns an analysis result to the client ends of the allied laboratories.

The present invention provides a processing device with a high degree of flexibility in setting of preprocessing and which is capable of increasing the preprocessing efficiency, and an analysis system provided with the same. Setting receiving means (84d) receives, for each sample, setting of a plurality of types of preprocessing and a parameter for each preprocessing. A preprocessing execution section (84e) controls a plurality of preprocessing sections and a transport arm (24) so that a plurality of types of preprocessing set for each of different samples is performed simultaneously in parallel. The preprocessing execution section (84e) performs control in such a way that preprocessing is not to be performed on different samples at the same preprocessing section at the same.