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DeNovix DS-11 Series - Page 52

DeNovix DS-11 Series
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Custom Methods:Absorbance
Formula Guidelines
Use the A(x) button on the input screen to use the absorbance value result of a
specific wavelength in the formula. Enter the wavelength within the
parenthesis.
Example: A(260)
Check that closed sets of parenthesis are included when entering complex
formulas.
Example: Log(A(260)) is correct. Log(A(260) is incomplete.
Do not enter an equal sign before the equation. This is implied within the
software.
Example: A(260)/A(280) is correct while = A(260)/A(280) is incorrect.
The software automatically applies the baseline correction specified in the
method set-up. Do not include baseline corrections in user-defined equations.
10 mm pathlength equivalent absorbance values are used and reported for
microvolume measurements.
Cuvette IQOQ mode
The cuvette IQ/OQ 10 mm option is exclusively for use with the Formula
Methods app when running the DeNovix suggested IQOQ procedure. Contact
customer support for more information. $
52