Measuring method of component concentration in solution

Data processing: measuring – calibrating – or testing – Calibration or correction system – Fluid or fluid flow measurement

Reexamination Certificate

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C250S339120

Reexamination Certificate

active

06993444

ABSTRACT:
A measuring method of determining component concentration in a solution by calculating component concentrations in the solution at various temperatures in a small number of steps. The component concentration is measured at an arbitrary temperature T by using a solution absorbance spectrum and solvent absorbance spectrum at a plurality of wavelength(s)r, and preliminarily determining a calibration coefficient Mij(TO). Concentration of Ciof component i in solution at reference temperature TO, is obtained at differential spectrum of solution spectrum S (λj, T) at temperature T in j-th wavelength λjand solvent spectrum B (λj, T) at temperature T in j-th wavelength λj, calculating calibration coefficient Mij(TO) the specific component concentrations.

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