Analytical Techniques  [ Return to  Specialty Gases  ]

Choosing the proper gas and gas equipment for the lab

Part One: Relationship Between Gas Purity and Detection Limits in Gas Chromatography
Part Two: Relationship Between Gas Purity and Laboratory Analyzers
Part Three: Factors Influencing the Point-of-Use Purity
Part Four: Optimal Gas and Equipment Solutions at the Inlet of the Analyzers

Gas Chromotography
TCD - Thermal Conductivity Detector
FID - Flame Ionization Detector
ECD - Electron Capture Detector
MS - Mass Spectrometer
PID - Photo-Ionization Detector
FPD - Sulfer Phosphorus
NPD - Nuclear Magnetic Resonance &
EMR - Electronic Magnetic Resonance

Gas Chromotography - Other GC Detectors
PED or AED - Plasma Emission or Atomic Emission Detectors
RGA - Reducing Gas Analyzer
HID - DID - Helium Ionization & Discharge Ionization Detectors
ELCD - Electrochemical Detector
SCD - Chemilumininescence

Emission Spectrometry
ICP OES - Inductively Coupled Plasma w/ Optical Emission Spectometry Detector
ICP MS - Inductively Coupled Plasma w/ Mass Spectometry Detector
GDL or GD OES - Luminescent Discharge
Spark Spectrometry
Chemiluminescence
UV Fluorescence
X-Ray Fluorescence

Absorption Spectrometry 
IR & NDIR - Dispersive & Non-Dispersive Infared Spectrometry
FLAME AAS - Flame Atomic Absorption
EtASS or GFAAS - Atomic Absorption with Furnace
NMR & EPR - Nuclear Magnetic Resonance & Electronic Magnetic Resonance

Liquid Chromatography
HPLC - High Pressure Liquid Chromatography
LC/MS - Coupled Liquid Chromatography & Mass Spectrometry

Gas Specific Analysis
Oxygen Analysis - Electrochemical or Zircon Cell
Oxygen Analysis - Paramagnetic Cell
Explosometer and Toximeter
Hydrometry

Mass Spectrometry
MS - Mass Spectrometry

Other Chemical Analysis
TOC - Total Organic Carbon Analyzer
Karl Fisher
Element or Micro Analysis

Supercritcial Chromatography
SFC - Supercritcial Fluid Chromatography
SFE - Supercritcal Fluid Extraction

Surface Analysis
AUGER or EDAX - Energy Dispersive X-Ray Spectroscopy
Electron Microscopy - Transmission or Scanning Electron Microscopy
XPS or ESCA - X-Ray Photo or Electron Spectrometry
BET - Surface Area Analysis

Thermal Analysis
ATD - Thermal Analysis Calorimetry
TGA - Thermogravimetric Analyzer