Thermo Scientific Dionex IonPac CS14 Guard Product Manual page 38

IonPac CS14 Manual
4
3
μ S
2
1
0
0
Methanesulfonic Acid Gradient Elution of Alkanolamines
Doc. No. 034848-10
7
2
1
3
5
4
8
6
20
10
Minutes
Figure 16
with Ammonium, Group I & II Cations
13
1.
2.
3.
4.
5.
12 6.
7.
8.
9.
10. Di-iso-Propanolamine
11. Diethylaminoethanol
11
12. Mg
9
13. Ca
10
30
Page 37 of 54
Analyte mg/L
+
Li 0.5
Na + 2.0
+
NH 2.5
4
Ethanolamine 5.0
Diethanolamine 30.0
Methylaminoethanol 5.0
+
K 5.0
Dimethylaminoethanol 10.0
N-Ethyldiethanolamine 30.0
20.0
20.0
2+
1.0
2+
2.0
1 mg/L = 1 ppm
40