28 Mega-800 SCINCO
③ Refer to ―3.2 Parameters setting‖, set photometric mode to Abs, the measuring
wavelength at 400nm, and the factor as the default 1.000.
④ For the first measurement, put the black block (accessory come with the instrument) into
the sample cell, and then press to perform dark current correction (refer to 3.2.4
dark current correction). Then, press to return to the main menu of photometric
measurement.
⑤ Press to gain access to sample control. Refer to ―3.3 Sample control‖. After setup,
press to return to the main menu of photometric measurement.
⑥ Measurement:
If the ―Cell No.‖ is set to 1, first put the reference cell (deionized water) into the
sample cell holder, cover the sample compartment, and then press key
to auto zero. The absorbance value displayed on the photometric mode menu
should be 0.000 Abs. After correction, put the sample cell (Vitamin B1) instead of
reference cell into sample cell holder. Cover the sample compartment. Then press
key to start measurement. The measurement results will be displayed
in the table automatically.
If the ―Cell No.‖ is not set to 1 and do not perform No.1 cell blank correction, first
put the reference cell into the No.1 cell, cover sample compartment, and press
key to perform autozero. Then, put the sample cells into the cell holder,
press to measure the samples. The measurement results will be
displayed in the table.
If the ―Cell No.‖ is not set to 1 and need to perform No.1 cell blank correction, put
the reference cell into the No.1 Cell, then put the samples into other cells, press
key, the system will automatically calculate the absorbance values of
the samples. The measurement results will be displayed in the table. The value of
No.1 cell should be 0.000Abs.
⑦ Delete or print the measurement results after measurement (please refer to 3.5
measurement).
⑧ Working area: display the detailed measurement data in the form of table. It can display
maximum 9 groups of values each screen, if exceeds, it will display on the next screens.
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