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Data pairs (Parameters Set: "Auto" has been confirmed with ENTER)
-CALCU. PARA.-
Edit
Clear
No.
nD
01
[ 1.33584] [
02
[ 1.33874] [
03
[
04
[
"polynomial degree of the function + 1"! The maximum number of data pairs is 30.
Clear:
You delete all entered values.
Get Para: The mask with the calculated parameters and the corresponding curve is
displayed:
Curve (The entries or "Get Para" have been confirmed with ENTER)
A+Bx
Conc
←
[x
nD-R]
A: 9.99998E+0
B: 6.54943E+2
R: 1.34784
Note: If you now press the Print key, in addition to the calculation parameters the entered
data pairs and a list (Fitting Result) are recorded which show the difference (Conc-Err)
between the entered and the calculated concentration. Using this difference, you can
decide whether you have selected the optimum calculation function.
Example of a printout of the calculation parameters with data lists
CALCU. PARA
Method
: 1
Result
: Conc
Dimension
: %
Data Replace
:
x ← nD-R
Conc.Function
A+Bx
Parameters
A: 9.99998E+o
B: 6.54943E+2
R: 1.34784
RA-510M
METTLER TOLEDO
[Method 1]
Get Para
Conc
2.0]
4.0]
] [
]
] [
]
X
<Data List>
No.
nD
01
1.33584
02
1.33874
03
1.34168
04
1.34466
05
1.34769
06
1.35076
07
1.35389
08
1.35705
09
1.36027
– Select the commands with the -/Disp.
key.
Edit: You enter the values of measured
refractive indices and the corre-
sponding, known concentrations
(or literature values). The number
of data pairs must be at least the
The calculated coefficients A and B for
the selected calculation function and the
mean value R of the entered refractive
indices are displayed. For the value of
the x-axis, nD-R is used to optimize the
calculation algorithm.
<Fitting Result>
Conc
No.
2.0
01
4.0
02
6.0
03
8.0
04
10.0
05
12.0
06
14.0
07
16.0
08
18.0
09
Methods
nD
Conc-Err
1.33584
0.13928
1.33874
0.03862
1.34168
-0.03589
1.34466
-0.08424
1.34769
-0.09972
1.35076
-0.08905
1.35389
-0.03902
1.35705
0.03052
1.36027
0.13949
19
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