IonPacAS9-SC
034656-06
Page 16 of 28
5.1
Production Test Chromatogram
Isocratic elution of anions on the IonPac AS9-SC Analytical Column has been optimized utilizing a carbonate/bicarbonate eluent.
By using this eluent, mono- and divalent anions, including oxyhalides can be isocratically separated and quantitated in a single
injection. To guarantee that all IonPac AS9-SC (4-mm) Analytical Columns meet high quality and reproducible performance
specification standards, all columns undergo the following production control test.
Sample Loop Volume:
25 µL
Analytical Column:
IonPac AS9-SC Analytical Column
Eluent:
2.0 mM Na
2
CO
3
/0.75 mM NaHCO
3
Eluent Flow Rate:
2.0 mL/min
SRS Suppressor:
Anion Self-Regenerating Suppressor, ASRS-ULTRA
AutoSuppression Recycle Mode
or AES Suppressor:
Anion Atlas Electrolytic Suppressor, AAES
or MMS Suppressor:
Anion MicroMembrane Suppressor, AMMS III
MMS Regenerant:
25-50 mN H
2
SO
4
Expected Background Conductivity:
30 µS
Long-term Storage Solution (> 1 week):
100 mM Sodium Bicarbonate
Short-term Storage Solution (< 1 week):
Eluent
Analyte
mg/L
1.
Fluoride
3.0
2.
Chlorite
10.0
3.
Chloride
6.0
4.
Nitrite
15.0
5.
Bromide
25.0
6.
Chlorate
25.0
7.
Nitrate
25.0
8.
Phosphate
40.0
9.
Sulfate
30.0
Figure 1
Production Test Chromatogram AS90-SC
Содержание 043185
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