
1
Table of Contents
Introduction to the L2000DXT Analyzer
.......................................................................2
Sample Preparation .................................................................................................2
Chloride Conversion Reaction ................................................................................3
Quantification ........................................................................................................3
Unpacking ............ ........................................................................................................4
List of Components .................................................................................................4
List of Reagent Options ..........................................................................................5
Option 1 - 40 Oil Tests....................................................................................5
Option 2 - 20 Soil Tests .................................................................................5
Option 2a - 20 Soil Tests (Two-Step Procedure) ..............................................5
Option 3 - 20 Water Tests ...............................................................................6
Option 4 - 20 Wipe Tests ................................................................................6
Initial Set Up ........ ........................................................................................................7
Restoring the Electrode After Extended Storage ..........................................................7
Basic Operation of the L2000DXT
.................................................................................9
General Information ......................................................................................................9
Navigating the Operating Program ...............................................................................11
Main Menu ..... ........................................................................................................11
Calibration...... ........................................................................................................12
Blank Determination ...............................................................................................13
Analysis.......... ........................................................................................................15
Entering Header Information ..................................................................................16
Creating or Editing a Method .................................................................................16
Data Management ...................................................................................................18
Change Date or Time ..............................................................................................20
Check Electrode ......................................................................................................20
Sample Preparation
. ........................................................................................................22
Oil Samples .......... ........................................................................................................22
Soil Samples......... ........................................................................................................22
Standard Procedure for Soil Analysis .....................................................................23
Two-Step Extraction Procedure for Soil Analysis ..................................................24
Water Samples ..... ........................................................................................................25
High Range (5-2000 ppm) ......................................................................................25
Low Range (10 ppb - 5 ppm) ..................................................................................25
Wipe Samples ...... ........................................................................................................26
Care and Maintenance
.....................................................................................................27
General Care ........ ........................................................................................................27
Electrode Care and Maintenance ..................................................................................28
Troubleshooting
....... ........................................................................................................28
Error Messages..... ........................................................................................................30
Appendix A: Additional Information Available from Dexsil
.......................................33
Appendix B: Methods Table
............................................................................................35
Appendix C: Technical Data
............................................................................................37
Appendix D: Program Flow Chart
..................................................................................38