17
3.2
Press
【
F2
】
in Fig 29 to enter directly a known standard
curve.Fig29A.
Fig 29A
The constants to be entered depend on which fitting method selected. The table
below lists their relation:
Fitting Method
Fitting Equation
constants
linear fit through zero
C=K1
×
A
K1, r*
Linear fit
C=K0+K1
×
A
K0,K1,r*
square fit
C=K0+K1
×
A+K2
×
A
2
K0,K1,K2
cubic fit
C=K0+K1
×
A+K2
×
A
2
+K3
×
A
3
K0,K1,K2,K3
* r : regression co-efficients, default=1
3.3
Press
【
F3
】
in Fig 29 to establish a standard curve by measuring a
group of standard samples. See Fig 30.
3.3.1
Enter standard concentrations of samples by pressing
the Numeric keypad followed by
【
ENTER
】
.
Press
【∧】
or
【∨】
to modify the inputted data (Fig31).
Press
【
ESC/STOP
】
to finish inputting and to exit (Fig 32).
Fig 30
