Blank residue/zero degree offset - virtually no residue

GR Trace-S&N On-line System

  • Better than human olfactory sensitivity
  • Built-in calibration device
  • MDL < 0.1ppb
  • RSD < 10%
  • Measurable H2S
  • Upgradeable for simultaneous monitoring of amines (including NH3)


GC plot of sulfide 2.5 ppb standard gas  


Calibration curve/limit of detection/precision


Continuous monitoring of the real sample of sulfide on the @ppb