Gas Chromatograph hal 5

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Gas Chromatograph hal 5

  1. Electron capture detector (ECD)
  • Detection limit            : ≤1×10 -13 g/ml (BHH-isooctane solution)
  • Baseline noise             : ≤ 0.03mV
  • Baseline drift               : ≤ 0.2mV /30min
  • Linear range                 : 10 3
  • Radiation source        : 63Ni

 

 

  1. Flame Photometric Detector (FPD)
  • Linear range                 : for Phosphorus ≥103
  • Detection limit            : ≤5 × 10-11g/s (S thiophene)

                                                (P)≤1×10 -12 g/s; (methyl parathion-absolute ethanol solution)

  • Baseline noise             : ≤ 3 × 10 - 1 3 A
  • Baseline drift               : ≤ 2 ×10 - 12 A/30min
  • Linear range                                 : for Sulfur ≥102

 

 

  1. Nitrogen and phosphorus detector (NPD)
  • Detection limit    : (N)≤5×10 -13 g/s,

                                        (P)≤5×10 -13 g/s; (methyl parathion-absolute ethanol solution)

  • Baseline noise     : ≤ 5 × 10 - 1 3 A
  • Baseline drift       : ≤ 2 ×10 - 12 A/30min
  • Linear range         : nitrogen ≥ 10 2 , phosphorus ≥ 10 2

 

 

  1. Electronic gas pressure and flow measurement system:
  • Flow measuring range                                             : 0~500 sccm;
  • Standard pressure level                                          : 0.01 kPa;
  • Pressure sensors                                                       : maximum 13;
  • Pressure range                                                           : 0 ~ 0.3 MPa;
  • Pressure and flow calculation algorithm           : 13 bands; (temperature automatic

compensation algorithm and atmospheric pressure) Flow measurement sensor: 3 lanes (maximum); gases: nitrogen, air, hydrogen, helium, argon;