- Hewlett-Packard Reference Manual

Contents
Chapter 8 — Preventive Maintenance 155..............
Conditioning columns 156..................................................
(Re)Packing columns 158..................................................
Packed column inlet 159...................................................
Changing septa 159....................................................
Insert/liner care 160...................................................
Leaks 160.............................................................
Cleaning 162..........................................................
Split/splitlesscapillary inlets 163...........................................
Changing septa 163....................................................
Insert care 164........................................................
Leaks 165.............................................................
Cleaning 168..........................................................
Liner and/or insert care 169................................................
Glass inserts 169......................................................
Repacking a split insert 170............................................
Metal inserts and/or liners 171..........................................
Flame ionization detector (FID) 171.........................................
Jet exchange/replacement 172..........................................
Cleaning 173..........................................................
Ignition problems 177..................................................
Nitrogen•phosphorusdetector (NPD) 178....................................
Cleaning 178..........................................................
Removing/replacing the NPD collector 181...............................
Type B NPD transformer/collector assembly 184..........................
Reinstallation 186.....................................................
Electron capture detector (ECD) 188........................................
Frequency test 188....................................................
Carrier gas evaluation 188.............................................
Leaks 189.............................................................
Thermal cleaning 190..................................................
Packed column: 191....................................................
Capillary column: 191..................................................
Radioactivity leak test (wipe test) 192...................................
Thermal conductivity detector (TCD) 192....................................
Cleaning 192..........................................................
Flame photometric detector 193............................................
Cleaning/replacing FPD windows, filters, seals 193.......................
Cleaning/replacing the FPD jet 197.....................................
FPD leak testing (GC with electronic flow sensor) 198....................
FPD leak testing (GC without electronic flow sensor) 199.................
Conditioning chemical traps 200............................................