Special methods
31
NANOCOLOR
®
UV
/
VIS
II and
NANOCOLOR
®
VIS
II V 1.1 / 10.2017
Unit:
Enter a unit via the text keypad which will be shown when the result is displayed.
Confirm the entry with Enter. No more than 10 characters are allowed.
Measuring range:
Enter the desired measuring range of the method using the numeric
keypad.
Reaction time:
Enter the reaction time using the numeric keypad and confirm your entry with
OK. The reaction time is given in minutes and seconds. If the reaction time has been
activated in the settings, the entered time will count down before each measurement (see
section 6.1.8).
Turbidity control:
When activated, the nephelometric turbidity of the sample will also be
measured with each measurement and evaluated on the basis of the limit stored in the
settings (see Section 6.1.10). This function is available only with the 14 mm (ID) test tubes.
Precision:
Enter the number of decimals on the numeric keypad and confirm your entry with
OK. The result will be displayed with the selected number of decimals. A maximum of three
decimals is possible.
Calculation formula (multi-wavelength measurements):
In this section, the wavelengths and
coefficients given in the selected calculation formula are defined. The number of wavelengths
is determined by the choice of the calculation formula. To enter, tap on the calculation
formula entry and select the desired formula from the list. Tap on the fields for the
wavelengths and coefficients and enter the values using the numeric keypad. The list of
calculation formulas includes the options shown in Figure 33, with E1 as absorbance value of
the wavelength 1, E2 as absorbance value of the wavelength 2, K1 as multiplication factor of
the wavelength 1, K2 as multiplication factor of the wavelength 2, etc. To include a
subtraction step in one of the formulas, the K factors can be programmed with a minus sign.
Figure 33: List of possible calculation formulas for multi-wavelength measurements
Barcode link:
Tap here to open the list of all barcode tests stored in the photometer. In order
to retrieve the special method with the barcode of a MACHEREY-NAGEL cuvette, choose
the desired test from the list.
Wavelength (single wavelength measurements):
Enter the wavelength of the measurement
using the numeric keypad and confirm your entry with OK. A wavelength in the 190 nm
–
Summary of Contents for NANOCOLOR UV/VIS II
Page 1: ......
