4
– Example Applications
Thermo Scientific
Product Manual for the ERS 500 Suppressor
Page 53 of 84
031956-11
For Research Use Only. Not for Use in Diagnostic Procedures.
4.6.5
Dionex IonPac AS12A Isocratic Analysis of 25% Tetramethylammonium Hydroxide
Sample:
100 µL of 25% TMAOH neutralized in the SP10 AutoNeutralizer
Concentrator Column:
Low Pressure Trace Anion Concentrator
(i.e., Dionex UTAC-XLP2, Item # 072781)
Column:
Dionex IonPac AG12A + Dionex IonPac AS12A
Eluent:
2.7 mM Na
2
CO
3
/0.3 mM NaHCO
3
Eluent Flow Rate:
1.5 mL/min
Electrolytic Suppressor:
Dionex Anion Electrolytically Regenerated Suppressor, Dionex AERS 500
Recycled Eluent Mode
or Chemical Suppressor:
Dionex Anion Chemically Regenerated Suppressor, Dionex ACRS 500
Chemical Regenerant:
50 mN H
2
SO
4
Expected Background Conductivity:
14–16 µS
Figure 7
IonPac AS12A Analysis of 25% Tetramethylammonium Hydroxide
