User`s guide

Contents
v
Determination of Adsorbent Strength..................222
Sandwiched Packings for Wide Boiling Range
Samples ................................................................225
Selecting Packing Material for
the Cold Trap ..............................................................227
Setting Sample Split Ratios ........................................228
Determining a Suitable Overall Split Ratio .........229
Zero Split (Splitless) Operation ...........................230
Single Split Operation..........................................230
Double-Split Operation ........................................232
Calibrating Thermal Desorption Systems...................235
Vaporizing a Liquid Standard ..............................236
Injecting a Liquid Sample Directly onto
the Sample Tube...................................................237
Internal Standard Addition Accessory .................238
Pumping a Calibrated Standard Gas Atmosphere238
Calibrating the Data Handling System .......................238
Sample Integrity Testing.............................................239
Sample Archiving .......................................................239
Routine Maintenance...................................241
Routine Maintenance ..................................................243
Cleaning the Instrument..............................................244
Cleaning and Decontamination...................................244
General Laboratory Cleanliness..................................245
Carrier Gas ...........................................................245
Adsorbent Storage................................................245
Sample Tubes and Storage Caps..........................246
Requirements for Use with a Mass Spectrometer 246
Removing and Replacing the Front Covers
of the ATD..................................................................247
Changing the O-Rings in the Fixed and Mobile Seals249
Replacing the O-Rings and the Filter Disk in
the Fixed Seal Assembly......................................249
Changing the O-Rings and Filter Disk in the
TD Mobile Seal ....................................................252
Changing the O-Ring and Filter Disk in the ATD
Mobile Seal ..........................................................253
Leak Testing ...............................................................255
Standard Leak Test ....................................................257
Impedance Calibration................................................257
Column Leak Test.......................................................257
GC Temp Calib...........................................................258