Method and apparatus for correcting a curve relating an absorban

Details Method and apparatus for correcting a curve relating an absorban Method and apparatus for correcting a curve relating an absorban

1982-12-20

1986-05-06

Krass, Errol A.

Boots, shoes, and leggings

364497, 364573, G01N 2100

Patent

active

045876240

ABSTRACT:
In a colorimetric measurement using a non-linear curve relating an absorbance to a concentration of substance to be measured, the non-linear curve is corrected by measuring an absorbance value y.sub.6 ' of only one of six standard samples of known different concentrations x.sub.1, x.sub.2 . . . x.sub.6 which are used for making the initial non-linear curve, deriving a quotient .alpha. by dividing the newly measured absorbance value y.sub.6 ' by a previously measured absorbance value y.sub.6, deriving corrected absorbance values y.sub.1 ', y.sub.2 ' . . . y.sub.5 ' by producing products .alpha.y.sub.1, .alpha.y.sub.2 . . . .alpha.y.sub.5 of the quotient .alpha. and previously measured absorbance values y.sub.1, y.sub.2 . . . y.sub.5, and by forming a corrected non-linear curve with the aid of the corrected absorbance values y.sub.1 ', y.sub.2 ' . . . y.sub.5 ' and the newly measured absorbance value y.sub.6 '.

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