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302661
Thermo Scientific 302661 Manuals
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Thermo Scientific 302661 manual available for free PDF download: Product Manual
Thermo Scientific 302661 Product Manual (84 pages)
Anion / Cation Electrolytically Regenerated Suppressor / Carbonate Eluents, 2 / 4 mm
Brand:
Thermo Scientific
| Category:
Recording Equipment
| Size: 2.15 MB
Table of Contents
Table of Contents
5
1 Introduction
8
Electrolytically Regenerated Suppressor
9
Dionex Anion Electrolytically Regenerated Suppressor
13
Overview of Suppression and Neutralization Modes
15
Mode of Operation Selection
16
The Autosuppression Recycle Mode
16
The Autosuppression External Water Mode
17
The Chemical Suppression Mode
17
The MPIC Suppression Mode
17
The Neutralization Mode
18
Shipment and Storage
19
Shipment
19
Storage
19
2 Installation
20
System Requirements
20
Electrolytically Regenerated Suppressor Control
22
Dionex Reagent-Free Controller (Dionex RFC)
23
Dionex SCC-10 Suppressor Current Controller (Item # 074053)
23
Back Pressure Coils for the Dionex ERS 500, Dionex ERS 500E and Dionex AERS 500 Carbonate
24
Assembly
24
Gas Separator Waste Tube for the Dionex ERS 500
25
Assembly
25
Electrolytically Regenerated Suppressor Current Selection
25
Calculating the Optimum Current Setting
25
3 Operation
28
Chemical Purity Requirements
28
Inorganic Chemicals
28
Solvents
28
Deionized Water
28
Start-Up
28
Hydration
29
Back Pressure Coil Pressure Test
30
Quick Back Pressure Check
30
Plumbing for the Autosuppression Recycle Mode Operation
31
Eluent Flow Path Connections in the Autosuppression Recycle Mode
32
Regenerant Flow Path Connections in the Autosuppression Recycle Mode
32
Installation in Thermal Chamber
32
Plumbing for the Autosuppression External Water Mode Operation
34
Eluent Flow Path Connections for the Autosuppression External Water Mode
35
Regenerant Flow Path Connections in the Autosuppression External Water Mode
35
Regenerant Flow Path Connections in the Autosuppression External Water Mode with Peristaltic Pump
36
Installation in Thermal Chamber
37
Dionex SRD-10 Suppressor Regenerant Detector
37
Plumbing for Chemical Suppression Mode Operation
37
Plumbing for MPIC Suppression Mode of Operation
37
Eluent Flow Path Connections in MPIC Suppression Mode
38
Regenerant Flow Path Connections in MPIC Suppression Mode Using Pressurized Water Delivery System
38
MPIC Suppression Mode Operation
38
Plumbing for Neutralization Mode Operation
40
Sample Liquid Line Connections for Dionex ERS 500E in Neutralization Mode
41
Regenerant Liquid Line Connections for Dionex ERS 500E in Neutralization Mode
41
Pump Trap Column Installation and Regeneration
41
Neutralization Mode Operation
42
Dionex ERS 500, Dionex ERS 500E or Dionex AERS 500 Carbonate Storage
43
Short Term Storage (3 to 7 Days)
43
Long Term Storage (more than 7 Days)
43
4 Example Neutralizer Mode Applications
44
System Blank
44
Anion System Blank
44
Cation System Blank
44
Dionex CERS 500E Conditioning
45
System Calibration
45
Analysis of Acid Samples Containing High Concentrations of Transition Metals
45
Recovery Data for Trace Anions in 25% Sodium Hydroxide
46
Recovery Data for Trace Cations in 24% Sulfuric Acid
46
Anion Example Applications
47
Dionex Ionpac ® AS11 Gradient
47
Dionex Ionpac AS11 Gradient Analysis of 10% Sodium Hydroxide
48
Dionex Ionpac AS12A Isocratic Analysis of 25% Sodium Hydroxide
50
Dionex Ionpac AS12A Isocratic Analysis of 20% Ammonium Hydroxide
52
Dionex Ionpac AS12A Isocratic Analysis of 25% Tetramethylammonium Hydroxide
53
Ionpac AS12A Isocratic Analysis of 25% Tetrabutylammonium Hydroxide
54
Cation Example Applications
55
Dionex Ionpac CS12A Blank and Standard Analysis
55
Dionex Ionpac CS12A Analysis of 24% Sulfuric Acid
56
Dionex Ionpac CS12A Analysis of 25% Acetic Acid
57
Dionex Ionpac CS12A Analysis of 10% Hydrofluoric Acid
58
Dionex Ionpac CS12A Analysis of 22% Phosphoric Acid
59
5 Troubleshooting Guide
60
Electrolytically Regenerated Suppressor Operational Status Displays Alarm State
60
Small or Increasing Analyte Peak Areas
61
Suppressor Chemical Regeneration Steps
61
Suppressor Electrolytic Regeneration Steps
62
Full or Extended Regeneration
62
High Background Conductivity
64
Drifting Baseline
64
Noisy Baseline
64
Decreased Sensitivity
66
System Back Pressure Increases over Time
66
Liquid Leaks
67
Poor or Unstable Recovery of Certain Peaks
67
Peaks and Spikes in the Absence of an Injection
67
Low Sample Response (Neutralization Mode Only)
68
Low Neutralization Capacity (Neutralization Mode Only)
69
6 Dionex ERS 500, Dionex ERS 500E and Dionex AERS 500 Carbonate Suppressor Cleanup
70
Metal Contaminants or Precipitates
70
Organic Contaminants
71
Appendix A - Current Settings
72
Optimum Current Settings for Common Eluents; Dionex AERS 500 (4 and 2 MM) and Dionex AERS 500E (4 and 2 MM)
72
Optimum Current Settings for Common Eluents; Dionex AERS 500 Carbonate (4 and 2 MM)
75
Optimum Current Settings for Common Eluents; Dionex CERS 500 (4 MM and 2 MM) and Dionex CERS 500E (4 MM and 2 MM)
76
Current Settings for Older Detectors
79
Appendix B - Suppressor Controller
80
Dionex ERS 500 and Dionex ERS 500E Control for the CD20/CD25/CD25A and ED40/ED50/ED50A (Dionex DX-500 Instruments)
80
Dionex ERS 500 Control for the Dionex DX-120
81
ERS Control for the CDM-3/PED-2 (Dionex DX-300 Instruments)
81
ERS Control for the Dionex DX-100 (Model DX 1-03)
81
SRC Controller
81
Appendix C - Alarm States for Older Instruments
84
Alarm States for the CD20/ED40 (Dionex DX-500 Instruments)
84
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