Hitachi ZA3000 Series, Инструкция по эксплуатации

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5.8 Correction of Working Curve Drift (Reslope function)
5 - 34
(5) Measurement of STD4
Creation of working curve by resloping
A
1
: Initial STD4 absorbance
A
3
: STD4 absorbance in reslope measurement
(6) Measurement of Unknown Samples 31 to 40 (using
working curve in (5))
S1 S2 S3 S4 S5 S6
A1
A2
A3



n
i
i
i
C a A
0



n
i
i
i
C a
A
A
A
0 1
2



n
i
i
i
C a
A
A
A
0
1
3
Setting is required as follows.
(a) Open the Standards Table window and turn on the
[Reslope] check box.
(b) In [STD for Reslope], enter the name of standard
sample used for correction.
(c) In [Reslope Interval], enter the sample interval for
correction.
Supplement: Resloping in manual measurement
Usually, reslope measurement is carried out at the set
sample interval. Also, this measurement can be
started freely by clicking the [Start] button in
succession to the [Reslope] button in the tool box.
Fig. 5-31 [Reslope] Button



n
i
i
i
C a
A
A
A
0
1
3
A
bs
or
banc
e (
A
)
Concentration (C)