Method and apparatus for scanning wavelength in spectrophotomete

Details Method and apparatus for scanning wavelength in spectrophotomete Method and apparatus for scanning wavelength in spectrophotomete

1988-11-23

1990-06-05

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356332, G01J 306, G01J 342

Patent

active

049308912

ABSTRACT:
In quantitative analysis of a sample by using the spectrum thereof by means of a spectrophotometer, at a specific wavelength or in a specific wavelength range where a quantitative determination is to be conducted, wavelength scanning is temporarily stopped or its speed is slowed down so as to obtain spectral data from the sample, so that the accuracy of the data obtained is improved. In the wavelength range where no quantitative determination is to be conducted, the scanning operation is conducted at an ordinary relatively fast speed, so that the total time required for the analysis will not be lengthened.

REFERENCES:
patent: 3563656 (1971-02-01), Helms
patent: 3704953 (1972-12-01), Carter et al.
patent: 3868499 (1975-02-01), Aaronson et al.
patent: 4318616 (1982-03-01), Chamran et al.
patent: 4322807 (1982-03-01), Chamran et al.
patent: 4565447 (1986-01-01), Nelson
Aaronson et al., "A UV-VIS Spectrophotometer Controlled by a Programmable Desk-Top Calculator", American Laboratory, vol. 7, No. 9, Sep. 1975, pp. 57, 58, 60, 62, 63.

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