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Dionex IonPac AS32-Fast-4mm Analytical
Thermo Scientific Dionex IonPac AS32-Fast-4mm Analytical Manuals
Manuals and User Guides for Thermo Scientific Dionex IonPac AS32-Fast-4mm Analytical. We have
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Thermo Scientific Dionex IonPac AS32-Fast-4mm Analytical manual available for free PDF download: Product Manual
Thermo Scientific Dionex IonPac AS32-Fast-4mm Analytical Product Manual (42 pages)
Columns
Brand:
Thermo Scientific
| Category:
Laboratory Equipment
| Size: 1.32 MB
Table of Contents
Table of Contents
5
1 Introduction
7
Dionex Ionpac AS32-Fast-4ΜM/Dionex Ionpac AG32-Fast-4ΜM Column Packing Specifications
7
2 Installation
9
Thermo Scientific Dionex High Pressure Ion Chromatography Systems
9
System Requirements
10
System Void Volume
10
Column Start-Up
10
Dionex Ionpac Guard Columns
10
Sample Concentrators
11
The Injection Loop
11
Dionex Anion Dynamically Regenerated Suppressor Requirements
12
Dionex Anion Chemically Regenerated Suppressor Requirements
12
Using Dionex Displacement Chemical Regeneration (DCR) with the Chemical Suppression Mode
12
3 Operation
13
General Operating Conditions
13
General Operational Precautions
14
Quality Assurance Reports
14
Chemical Requirements and Solvent Compatibility
14
Eluent Preparation
15
Eluent Generation
15
Making Eluents that Contain Solvents
15
Manually Prepared Eluents
16
4 Example Applications
17
Isocratic Elution with and Without a Guard Column
18
Analysis of Polythionates
19
Analysis of Aromatic Sulfonates, Pigments, and Dyes
20
Analysis of Perchlorate in High Chloride and Sulfate Matrices
22
Analysis of Persulfate
24
5 Troubleshooting
25
High Back Pressure
27
Finding the Source of High System Pressure
27
Replacing Column Bed Support Assemblies (4 MM and 2 MM Columns Only)
27
Filter Eluent
28
Filter Samples
28
High Background
28
Preparation of Eluents
28
A Contaminated Trap Column
29
Contaminated Dionex CR-TC Column
29
A Contaminated Guard or Analytical Column
29
Contaminated Hardware
29
A Contaminated Suppressor
29
Inconsistent Retention Times
29
Drifting to Shorter Retention Time
30
Drifting to Longer Retention Time
30
Oscillating Retention Times
30
Poor Peak Resolution
31
Loss of Column Efficiency
31
Analyte Specific Efficiency Loss
32
Shortened Retention Times
33
Loss of Front-End Resolution
34
Spurious Peaks
34
6 Appendix A - Column Care
35
Recommended Operation Pressures
35
Column Start-Up
35
Column Storage
35
Chemical Purity Requirements
35
Inorganic Chemicals
36
Deionized Water
36
Solvents
36
Column Cleanup
37
Choosing the Appropriate Cleanup Solution
38
Column Cleanup Procedure
39
7 Appendix B - Quality Assurance Reports
40
8 Appendix C - Additional Information
42
General Information on PEEK™ Tubing
42
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