4 calibration, 10 ppm no, And 10 ppm so – Metrohm 732 IC Detector User Manual
Page 68: Fig. 19: ion chromatogram of the calibration so, Standard
3.4 Calibration
732 IC Detector / 733 IC Separation Center
61
+0.000
µµS/cm 0.0 min
full scale: 4.00
µµS/cm
As soon as injection valve A is in the "INJECT" position, the
current time is reset to
"
0.0 min
"
. This marks the start time
of the chromatogram.
The ion chromatogram of the standard is plotted in the next
20 min or so.
Fig. 19 shows an example of a calibration with 5 ppm Cl
–
,
10 ppm NO
3
–
and 10 ppm SO
4
2–
.
7
.
00e+005
6
.
00e+005
5
.
00e+005
4
.
00e+005
3
.
00e+005
2
.
00e+005
0
.
00e+005
1
.
00e+005
0
2
4
6
8
10
12
14
16
18
FULL REPORT
Ret Time Component Concentr. Area Height
(Min) Name ppm (uV*Sec) (uV)
-------- --------------- ----------- ---------- ----------
1.758 Chloride 5.000000 2791676.00 416181.718
3.164 Nitrate 10.000000 2405831.75 202204.046
10.575 Sulphate 10.000000 4652037.50 146991.609
Fig. 19: Ion chromatogram of the calibration
SO
4
2–
NO
3
–
Cl
–
Standard