3
– Operation
Thermo Scientific
Product Manual for the ERS 500 Suppressor
Page 40 of 84
031956-11
For Research Use Only. Not for Use in Diagnostic Procedures.
Table 9
Matching the Current Setting and Regenerant Flow Rate
to the Eluent Concentration and Flow Rate Dionex CERS 500 (4 mm)
Eluent
Eluent Flow Rate
(mL/min)
Current
(mA)
1
Regenerant Flow
Rate (mL/min)
2
0.1–2.0 mM Hexan esulfon ic acid
(HSA)
0.5–1.0
50/100
3–5
2.0–5.0 mM Hexanesulfonic acid
0.5–1.0
100/300
3–5
0.1–2.0 mM Octane sulfonic acid (OSA)
0.5–1.0
50/100
3–5
2.0–5.0 mM OSA
0.5–1.0
100/300
3–5
0.1–2.0 mM Nonafluor open tan oic acid
0.5–1.0
50/100
3–5
2.0–5.0 mM Nonafluor open tan oic acid
0.5–1.0
100/300
3–5
1. CERS 500 applications will operate best at current settings of 300 mA or lower.
Operating the CERS 500 at current settings over 300 mA can reduce the life of the suppressor and produce unnecessary baseline noise.
2. Measured with power ON using a graduated cylinder
For the lower eluent concentration in a given range, choose the lower corresponding
current; for the higher eluent concentration, choose the higher current setting. Higher
current settings require higher pressures applied to the pressurized regenerant delivery
bottle to maintain adequate regenerant flow. Organic eluent solvents levels should be kept
below 40%.
3.7
Plumbing for Neutralization Mode Operation
For detailed information on installation of the Dionex ERS 500e on Dionex ICS systems for
Neutralization Mode, refer to Thermo Scientific Dionex Application Notes 93 and 94.
The Dionex ERS 500 suppressor is not recommended for use with the Neutralization Mode
of Operation. The Dionex ERS 500e should be used.
Figure 7
The Dionex ERS 500e Neutralization Mode Plumbing Diagram
NOTE
!
NOTE
!
