Method for analyzing substance mixtures
AssigneeBecton, Dickinson and Company
InventorsBernd Eppich, Gerhard Müller
Life of this patent
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Abstract
Algorithm for filter selection of binary filters configured to solve the problem in question with the aim of determining smallest concentration changes in substance mixtures wherein one or a plurality of low-concentration lead components can be reliably detected in the presence of higher-concentration matrix or background components using the selected broad-band binary filters. The spectral power transmitted or reflected by the substance mixture is detected by a plurality of photosensitive detectors which are spectrally broad-banded and provided with binary filters, the detector signals being used for exact determination of the substance concentrations.
Claims17
Method for photometric determination of concentration changes in substance mixtures, characterized in that
- the determination of the concentration changes from the signal of a plurality of detectors (4) is effected by a binary spectral filter (3) having a transmission that essentially only assumes the values One and Zero.
Dependencies are inferred from the claim text.