Spectrometric method free from variations of error factors

Details Spectrometric method free from variations of error factors Spectrometric method free from variations of error factors

G - Physics

01

N

73/55

G01N 21/25 (2006.01) G01J 3/28 (2006.01) G01N 21/31 (2006.01)

Patent

CA 2033832

ABSTRACT OF THE DISCLOSURE A spectrometric method for determining a physical or a chemical target quantity by performing the photometric measurement at plural wavelengths predetermined which comprises steps of measuring variation vectors by varying error variation factors by predetermined units which are defined in a space having a dimension equal to the number of the plural wavelengths, seeking for a subspace of the space which is orthogonal to all variation vectors, performing the photometric measurement for samples having known values of the target quantity, projecting vectors obtained from the photometric measurement for samples on the subspace and calculating a calibration curve using data obtained by the projection on the subspace.

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