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Dionex IonPac AG31
Thermo Scientific Dionex IonPac AG31 Manuals
Manuals and User Guides for Thermo Scientific Dionex IonPac AG31. We have
1
Thermo Scientific Dionex IonPac AG31 manual available for free PDF download: Product Manual
Thermo Scientific Dionex IonPac AG31 Product Manual (45 pages)
Analytical and Guard Columns
Brand:
Thermo Scientific
| Category:
Laboratory Equipment
| Size: 1.26 MB
Table of Contents
Table of Contents
5
1 Introduction
8
Dionex Ionpac As31/Dionex Ionpac AG31 Column Packing Specifications
8
2 Installation
10
Thermo Scientific Dionex High Pressure Ion Chromatography Systems
10
System Requirements
10
System Void Volume
11
Column Start-Up
11
Eluents
12
Eluent Generation
12
Dionex Ionpac Guard Columns
12
Trap Columns
12
Thermo Scientific Dionex Continuously Regenerated Anion Trap Columns (Dionex CR-ATC 500) for Use with Dionex EG Cartridges (Dionex EGC 500)
12
Sample Concentrators
13
3 Operation
14
General Operating Conditions
14
General Operational Precautions
15
Quality Assurance Reports
15
Chemical Requirements and Solvent Compatibility
15
Eluent Preparation
16
Manually Prepared Eluents
16
Making Eluents that Contain Solvents
16
Regenerant Preparation for the Thermo Scientific Dionex Chemically Regenerated Suppressor (Dionex CRS 500)
17
Recommendations for Method Development
17
4 Example Applications
18
Recommendations for Optimum System Performance
18
Isocratic Elution with and Without a Guard Column
19
Effect of Temperature on the Dionex Ionpac AS31 Selectivity
20
Separations of Various Inorganic and Organic Anions on Dionex Ionpac AS31 Column
21
Separation and Detection of 9 Haloacetic Acids, Bromate, and Dalapon Using IC Method and EPA Method 557 Laboratory Synthetic Sample Matrix
22
Analysis of Municipal Drinking Water Using Dionex Ionpac AS31 Column
23
Separation and Detection of 9 Haas, Bromate, and Dalapon Using IC-MS/MS
24
System, Conditions, and Consumables
25
Targeted SIM Inclusion List
25
Example Chromatograms
26
Signal to Noise Comparison
27
System Setup
27
5 Troubleshooting
29
High Back Pressure
30
Finding the Source of High System Pressure
30
Replacing Column Bed Support Assemblies
31
Filter Eluent
32
Filter Samples
32
High Background
32
Preparation of Eluents
32
A Contaminated Trap Column
32
Contaminated Dionex CR-ATC 500 Column
32
A Contaminated Guard or Analytical Column
33
Contaminated Hardware
33
A Contaminated Suppressor
33
Contaminated Regenerant Water
33
Inconsistent Retention Times
33
Drifting to Shorter Retention Time
34
Drifting to Longer Retention Time
34
Oscillating Retention Times
34
Poor Peak Resolution
35
Loss of Column Efficiency
35
Analyte Specific Efficiency Loss
37
Shortened Retention Times
37
Loss of Front-End Resolution
38
Spurious Peaks
38
6 Column Care
39
Recommended Operation Pressures
39
Column Start-Up
39
Column Storage
39
Chemical Purity Requirements
39
Inorganic Chemicals
40
Deionized Water
40
Solvents
40
Column Cleanup
41
Choosing the Appropriate Cleanup Solution
42
Column Cleanup Procedure
43
7 Quality Assurance Report
44
8 Additional Information
45
General Information on PEEK™ Tubing
45
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