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Dionex IonPac CS14 Guard
Thermo Scientific Dionex IonPac CS14 Guard Manuals
Manuals and User Guides for Thermo Scientific Dionex IonPac CS14 Guard. We have
1
Thermo Scientific Dionex IonPac CS14 Guard manual available for free PDF download: Product Manual
Thermo Scientific Dionex IonPac CS14 Guard Product Manual (55 pages)
Cation-Exchange IC Columns
Brand:
Thermo Scientific
| Category:
Laboratory Equipment
| Size: 0.37 MB
Table of Contents
Table of Contents
3
Section 1 - Introduction
6
Doc. No.
6
Section 2 - Comparison of Ion Chromatography Systems
8
Section 3 - Installation
10
System Requirements
10
System Requirements for 2-MM Operation
10
System Requirements for 4-MM Operation
10
System Void Volume
10
Installing the Cation Trap Column for Eluent Step Change or Gradient Operation
10
The Injection Loop
11
Doc. No.
11
The 2-MM System Injection Loop, 2 - 15 Μl
12
The 4-MM System Injection Loop, 10 - 50 Μl
12
Sample Concentration
12
Ionpac CG14 Guard Columns
12
Eluent Storage
12
Cation Self-Regenerating Suppressor Requirements
12
Cation Atlas Electrolytic Suppressor Requirements
13
Cation Micromembrane Suppressor Requirements
13
Using Autoregen
13
Detector Requirements
13
Document no
13
Section 4 - Operation
14
General Operating Conditions
14
Operating Precautions
14
Chemical Purity Requirements
14
Deionized Water
14
Inorganic Chemicals
14
Eluents with Solvents
15
Making and Using Eluents that Contain Solvents
16
Sample Concentration
16
Section 5 - Example Applications
17
Preparation of Eluent Stock Solution Concentrates
17
M Methanesulfonic Acid (MSA) Stock Solution
17
M Trifluoroacetic Acid (TFA) Stock Solution
17
M 18-Crown-6 Ether Stock Solution
17
Pyrophosphoric Acid
18
Eluent Preparation
18
Production Test Chromatogram
19
Isocratic Elution of Ammonium, Group I & II Cations
20
The Effect of Sample Acidity on Ionpac CS14 Efficiency
21
Selectivity Control of Magnesium, Manganese and Calcium
22
Isocratic Elution of Morpholine and Resolution Enhancement Addition of Solvent to Eluent
23
Elution of Morpholine with Mono-, DI- and Trimethylamines with Resolution Enhancement through Gradient Elution
25
Isocratic Elution of Mono-, DI- and Trimethylamines and Resolution Enhancement through Addition of Solvent to Eluent
26
Elution of Mono-, DI- and Triethylamines with Resolution Enhancement through the Addition of Solvent to the Eluent
27
Gradient Elution of Cyclohexylamine
29
Elution of Aliphatic Monoamines
30
Gradient Elution of Alkylamines, Ammonia, Group I & II Cations
32
Elution of DI- and Triethanolamines
34
The Isocratic Separation of Ethanolamine and the Group I & II Cations
35
Elution of Substituted Methyl- and Ethylaminoethanols
36
Methanesulfonic Acid Gradient Elution of Alkanolamines with Ammonium, Group I & II Cations
37
Methanesulfonic Acid / 18-Crown-6 Gradient Elution of Alkanolamines with Group I & II Cations
39
The Effect of Temperature on the Gradient Elution of Diamines with Ammonia, Group I & II Cations
41
Section 6 - Troubleshooting Guide
43
High Back Pressure
44
Finding the Source of High System Pressure
44
Replacing Column Bed Support Assemblies
45
Preparation of Eluents
46
A Contaminated Guard or Analytical Column
46
High Background or Noise
46
A Suppressor Not Suppressing Properly
47
Poor Peak Resolution
48
Loss of Peak Efficiency Throughout the Chromatogram
48
Loss of Resolution Throughout the Chromatogram Due to Shortened Retention Times
48
Loss of Early Eluting Peak Resolution
49
Spurious Peaks
49
Appendix A - Quality Assurance Report
50
Appendix B - Column Care
53
Recommended Operating Pressures
53
Column Start-Up
53
Column Storage
53
Column Conditioning
53
Column Cleanup
53
Column Cleanup Procedure for Polyvalent Cations and Acid-Soluble Contaminants or Transition Metals
54
Hydrophobic Cations and Organic Contaminants
54
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