Foss Analytical A/S Patent applications |
Patent application number | Title | Published |
20160018325 | SYSTEM FOR AND METHOD OF COMBINED LIBS AND IR ABSORPTION SPECTROSCOPY INVESTIGATIONS | 01-21-2016 |
20150367250 | SOLVENT EXTRACTION APPARATUS - A solvent extraction apparatus comprises a cooler for condensing solvent vapour and a funnel provided towards its lower end. The funnel has an upper surface at which terminates a central downwards directed elongate outlet having an internal exit port formed in a side wall. A vertically movable lifting rod passes through the cooler and the outlet. A section of the lifting rod is shaped to delimit a passage-way for condensate whilst simultaneously sealing the port. A liquid guide is provided at the upper surface to preferentially direct flow of condensate towards the passage-way. | 12-24-2015 |
20150308971 | MICROFLUIDIC IMPEDANCE FLOW CYTOMETER - A microfluidic impedance flow cytometer (‘MIC’) device ( | 10-29-2015 |
20150090880 | OPTICAL SPECTROMETER - An optical spectrometer ( | 04-02-2015 |
20140379101 | METHOD OF CONTROLLING A PRODUCTION PROCESS - A method of controlling a production process including a process step for the morphological modification of a bio-material matrix comprises obtaining digital input data acquired during each of a plurality of production runs of the process, which input data includes information from radiation within a portion of the electromagnetic or acoustic spectrum having interacted with the matrix at one or more locations within the process together with a process control parameter and production event data for the associated production run; generating in a computer a prediction model from a multivariate analysis of the digital input data, which model links the information directly with one or more of process control parameters, production run events and process control settings; and applying in the computer the prediction model to interacted information obtained from a new production run to generate as an output one or more of a process control parameter a process control event and a predicted production run event for the new production run for use in controlling the production process. | 12-25-2014 |
20140336972 | METHOD OF COMPENSATING FREQUENCY DRIFT IN AN INTERFEROMETER - A method of compensating for frequency drift of a reference energy source in an FT interferometer based spectrometer instrument, the method further comprising comparing in an arithmetic unit data representing a reference interferogram and data representing a target interferogram to determining a phase shift between the interferograms in a window W in at least one region away from center-burst and generating in the arithmetic unit a mathematical transform dependent on the determined shift or shifts to be subsequently applied to control the operation of the spectrometer instrument in order to generate data representing a frequency stabilized interferogram of an unknown sample recorded by the FT interferometer. | 11-13-2014 |
20140114601 | METHOD FOR COMPENSATING AMPLITUDE DRIFT IN A SPECTROMETER AND SPECTROMETER PERFORMING SAID METHOD - A method of compensating for amplitude drift in a spectrometer comprising: making successive performances of a standardisation process to generate, at each performance, a mathematical transform to compensate for amplitude drift for application by an arithmetic unit to a spectrum obtained by the spectrometer in an interval between the performances; modifying the mathematical transform with a function dependent on spectral data from a zero material measured in association with the standardisation process and the single beam zero spectrum measured in an interval between performances; and applying the modified mathematical transform to a spectrum from an unknown sample. | 04-24-2014 |
20130236976 | DETERMINATION OF SULPHUR DIOXIDE IN A LIQUID - A system for the measurement of free and bound SO2 in a liquid beverage product sample comprising a sample container having a volume sufficient to provide a headspace above the sample into which a gas can pass; a gas flow system adapted to extract gas from the headspace and recirculating it back into the liquid volume; a measurement system configured to monitor a time dependent evolution of SO2 in gas from the gas flow system; and a dosing apparatus fluidly connected to the container to supply an hydrolysis reagent thereto. A heater unit is provided for supplying thermal radiation into the container to elevate the temperature of sample therein sufficient to facilitate the hydrolysis reaction and a signal processor operates to deconvolute the monitored evolution to generate an indication of the concentration of each of the free SO2 and the total SO2 content of the sample. | 09-12-2013 |
20130228690 | MID-INFRARED SPECTRAL ANALYSIS OF A FLOWING HETEROGENEOUS MATERIAL - A method of determining components of a flowing heterogeneous sample comprising obtaining a sample of material; measuring mid-infrared attenuation values of the sample and calculating in a data processing unit an indication of the component of interest in the sample from the measured mid-infrared attenuation values characterised in that the method further comprises flowing the sample; concurrently interacting mid-infrared radiation with the flowing sample in a measurement region and subsequently measuring the mid-infrared attenuation values for one or more wavebands of the interacted radiation. | 09-05-2013 |
20130188192 | Spectrometric Instrument - A spectrometric instrument comprising: a scanning interferometer having a beamsplitter for dividing incident optical radiation into a reflected beam, following a reflected beam path and a transmitted beam following a transmitted beam path; a monochromatic optical radiation source for launching a reference beam into the interferometer along a first propagation path to be initially incident on a first face of the beamsplitter; an observation optical radiation source for launching a divergent observation beam into the interferometer along a second propagation path to be initially incident on the first face of beamsplitter and overlap the reference beam at the first face; wherein the radiation sources cooperate to generate a first angle between the directions of propagation of the two beams along respective first and second propagation paths when initially and simultaneously incident at the first face which is larger than a divergence half-angle of the observation beam | 07-25-2013 |
20130157306 | METHOD FOR DETERMINING A DEGREE OF INFECTION - A method for determining a degree of infection comprising the steps of i) preparing an un-isolated sample by adding a differentiating marker, suitably a meta-chromatic stain such as, for example, acridine orange to mammalian milk in an amount sufficient to provide a differentiation between cell types; ii) measuring a differential somatic cell count on the sample by means of a cytometer having a detection system sensitive to differences in the differentiating marker resulting from the marker becoming differently associated with different cell types in the sample; and iii) determining an indication of a degree of infection dependent on the measured differential cell count. | 06-20-2013 |
20120218551 | VARIABLE PATH LENGTH PROBE - A probe having a probe head in which is formed an opening for receiving a sample to be analysed, the head comprising a pair of optical interfaces disposed at an opposing inner surface of the opening to delimit a path for optical radiation through the opening, wherein one of the pair of optical interfaces comprises a transparent element adapted to permit optical radiation in one or more wavelength regions of interest to travel between the probe head and the opening, the optical probe comprising a movable diaphragm in which one of the pair of optical interfaces is located for movement therewith and an actuator operably connected to the diaphragm to control its movement so as to vary the path length wherein the probe head comprises a hinge system cooperable with the actuator to move the optical interface in the movable diaphragm in an arc to vary the path length. | 08-30-2012 |
20120086938 | Analysis of an Acoustically Separated Liquid - An analyser is provided comprising a sample chamber for holding a liquid sample containing particles and an ultrasound source acoustically couplable to the sample chamber to supply resonant ultrasound energy for acoustically concentrating particles in the liquid sample in nodal planes established thereby. A probe is also provided which is adapted to supply electromagnetic energy into the sample chamber and to receive the supplied electromagnetic energy from the sample chamber at least during a time at which particles are substantially concentrated in associated nodal planes. The analyser is provided with an analysis unit in operable connection to a detector of the optical probe and is adapted to determine one or both a quantitative and a qualitative property of the liquid sample from the received electromagnetic energy. | 04-12-2012 |
20120002210 | OPTICAL INTERFEROMETER - A scanning optical interferometer ( | 01-05-2012 |
20110154890 | SEPARATION OF PARTICLES IN LIQUIDS BY USE OF A STANDING ULTRASONIC WAVE - The invention relates to a device for manipulation of particles ( | 06-30-2011 |
20110040400 | FEEDSTUFF FORMULATIONS - A method of formulating a feedstuff is provided which comprises the steps of: analysing the effect on one or both chemical and biological properties of the feedstuff of varying feedstuff ingredients and analysing the effect on the ingredient cost of the feedstuff of varying the feedstuff ingredients. The method further comprises a step of analysing the effect on a predicted production cost of the feedstuff of varying the feedstuff ingredients and a step of determining a desired formulation of a feedstuff for production on the basis of at least the analysed effects on the properties, on the ingredient cost and on the predicted production cost of varying the feedstuff ingredients. | 02-17-2011 |
20080290279 | Method for Standardising a Spectrometer - The invention provides a method for standardising an infrared spectrometer based on spectral patterns of constituents of atmospheric air naturally occurring in the spectrometer. The invention also provides a spectrometer applying the method. The method selects a spectral pattern in a recorded spectrum and determines a wavelength dependent position value for a feature, such as the centre of the pattern. This value is compared to a reference value that may be obtained from a spectrum recorded by a master instrument, and a standardisation formula can be determined. The absorption peaks from CO | 11-27-2008 |