Standard operations – ALTANA LCS III User Manual
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Standard Operations
λ / Absorbance formula:
1.
Press Absorbance Formula.
2.
The formula selected in the top key determines the number of
wavelength and coefficent keys that will appear below. To
change the absorbance formula, press the top key, select a
formula from the displayed list and press OK. When a new
formula is selected, the number of variables below changes to
match.
The following formulas are available:
K
1
A
1
+ K
2
A
2
K
1
A
1
+ K
2
A
2
+ K
3
A
3
K
1
A
1
+ K
2
A
2
+ K
3
A
3
+ K
4
A
4
K
1
A
1
/ K
2
A
2
(K
1
A
1
+ K
2
A
2
) / K
3
A
3
(K
1
A
1
+ K
2
A
2
) / (K
3
A
3
+ K
4
A
4
)
Table 8 Multi-wavelength setup options
Options
Description
More
For further Options
Store Off/On
With the Store On setting, all measurement data are stored automatically. With the Store Off
setting, no measurement data are stored.
% Trans/Abs
To switch to % transmittance, concentration or absorbance readings
λ
Wavelength
To enter the measurement wavelength. Use the alphanumeric keypad to enter the measurement
wavelength. The entered wavelength must be in the range from 320–1100 nm.
Send Data
To send data to a printer, PC or USB memory stick
Concentration Factor
Multiplication factor for converting absorbance values into concentration values.
Concentration
Resolution
To select the position of the decimal point in the calculated concentration readings.
Absorbance Formula
Calculation basis for evaluating samples
Recall Data
Call up saved measurement data, wavelength scans or time courses, see
Instrument Setup
Basic data of the instrument, see
.