Dionex Ionpac Cs12A Analysis Of 24% Sulfuric Acid - Thermo Scientific Dionex ERS 500 Product Manual

4 – Example Applications
4.7.2

Dionex IonPac CS12A Analysis of 24% Sulfuric Acid

Sample:
Concentrator Column:
Guard Column:
Analytical Column:
Eluent:
Eluent Flow Rate:
Electrolytic Suppressor:
or Chemical Suppressor:
Chemical Regenerant:
Expected Background Conductivity:
Expected System Operating Back Pressure:
Figure 10
Figure 14A
24% H
2
Table 12
1. Lithium
2. Sodium
3. Ammonium
4. Dimethylamine
5. Potassium
6. Trimethylamine
7. Magnesium
8. Calcium
*
Based on 8 runs
ND = None Detected, B = Blank
Thermo Scientific
031956-11
100 µL of 24% sulfuric acid neutralized in the Dionex CERS 500
Low Pressure Trace Cation Concentrator
(i.e. Dionex TCC-XLP1, Item #
Dionex IonPac CG12A Guard Column
Dionex IonPac CS12A Analytical Column
20 mM Methanesulfonic acid (MSA)
1.0 mL/min
Dionex Cation Electrolytically Regenerated Suppressor, Dionex CERS 500
Recycled Eluent Mode
Dionex Cation Chemically Regenerated Suppressor, Dionex CCRS 500
100 mN TBAOH
20 mM MSA: <1 µS
Without Guard: 1,400 psi (9.65 MPa)
With Guard: 1,850 psi (12.75 MPa)
Dionex IonPac CS12A Analysis of 24% H
SO Sample
4
Recovery Data for the Dionex IonPac CS12A Analysis of 24% H
Spiking
Standard
Conc.
(µg/L)
2.0
8.0
B
B
20.0
B
10.0
20.0
Product Manual for the ERS 500 Suppressor
For Research Use Only. Not for Use in Diagnostic Procedures.
063889)
2
Spiked 24% H
*
24% H SO
2 4
Unspiked Value Spiked Value
Conc.
(µg/L)
ND
7.4 + 0.4
B
B
3.3 + 0.5
B
2.0 + 0.2
10.6 + 0.1
SO Sample
4
Figure 14B
SO Sample
2 4
SO
2
Expected 24% H
Spiked Value
Conc. Conc.
(µg/L) (µg/L)
2.0 1.993 + 0.008
15.4 14.3 + 0.1
B
B
23.3 22.5 + 0.2
B
12.0 12.2 + 0.2
30.6 33 + 1
Page 56 of 84
4
*
SO
2 4
B
B
B