Gas Types ....................................................................................................................................................................................2
Gas Purification Systems.............................................................................................................................................................4
Gas Traps.....................................................................................................................................................................................6
Renewable Gas Purification System .........................................................................................................................................12
Universal/External Split Vent Trap.............................................................................................................................................13
R
egulators .................................................................................................................................................................................14
T
ubing........................................................................................................................................................................................15
Flowmeters ...............................................................................................................................................................................16
Gas Leak Detector.....................................................................................................................................................................18
Sample Introduction ..................................................................................19
Vials...........................................................................................................................................................................................20
Electronic Crimpers and Decappers..........................................................................................................................................25
Gold Standard Autosampler Syringes.......................................................................................................................................26
Headspace Sampler..................................................................................................................................................................34
CTC Autosampler Supplies........................................................................................................................................................37
Purge and Trap Supplies ...........................................................................................................................................................41
Markes Thermal Desorption .....................................................................................................................................................43
Inlets ..........................................................................................................45
Premium Non-Stick Septa.........................................................................................................................................................46
Ferrules .....................................................................................................................................................................................50
Capillary Flow Technology Supplies..........................................................................................................................................54
Split/Splitless Liners ..................................................................................................................................................................55
Direct Connect Liners................................................................................................................................................................59
Helix Liners................................................................................................................................................................................59
Split/Splitless Inlets...................................................................................................................................................................60
Cool On-Column Inlets ..............................................................................................................................................................69
Purged Packed Inlets ................................................................................................................................................................75
Programmed Temperature Vaporizer (PTV) Inlets .....................................................................................................................78
Detectors ...................................................................................................83
Flame Ionization Detector (FID)................................................................................................................................................84
Electron Capture Detector (ECD)..............................................................................................................................................91
Thermal Conductivity Detector (TCD) .......................................................................................................................................
94
Flame Photometric Detector (FPD)...........................................................................................................................................99
Nitrogen Phosphorus Detector (NPD) ....................................................................................................................................106
Nitrogen and Sulfur Chemiluminescence Detectors...............................................................................................................
113
GC/MS Systems ......................................................................................115
Maintaining Mass Selective Detectors (MSD).......................................................................................................................116
MSD Contamination ...............................................................................................................................................................118
Cleaning and Maintenance Supplies
......................................................................................................................................
126
Ion Source
...............................................................................................................................................................................
128
Installing a Capillary Column in the GC/MSD Interface.........................................................................................................134
QuickSwap MS Interface Restrictors......................................................................................................................................135
MSD Filaments ......................................................................................................................................................................136
Vacuum Systems and Pumps .................................................................................................................................................138
MSD Electron Multipliers and Replacement Horn
................................................................................................................
142
MS Test and Performance Samples........................................................................................................................................143
The Agilent J&W GC
Column Selection Guide
Your single source for the highest-performing
GC columns, plus expert advice to help you
achieve reliable results, faster.
To request your copy of this concise, easy-to-use resource,
go to
www.agilent.com/chem/guides. Or ask your
local Agilent Representative or Agilent Authorized Distributor
for publication number 5989-6159EN.
Gas Management........................................................................................1
From low-bleed columns for MS… to premium polysiloxane columns…
to specialty columns for pesticide, petroleum, or life science applications…
our GC Column Selection Guide has everything you need to analyze
your most challenging compounds. You will also find…
• A review of GC theory, including retention time, separation factor,
theoretical plates, resolution, and more.
•
Strategies for increasing your productivity and speeding up the
troubleshooting process.
• The most current method development procedures.
• Concise column selection flowcharts with industry-specific guidelines.
Table of Contents