Oxygen & Nitrogen in Calcium Fluoride using the TC600
  Oxygen & Nitrogen in Carbon Black, Graphite, & Calcined Coke using the TC-436
  Ultra Low Nitrogen & Oxygen in Iron, Steel, Nickel-Base, & Cobalt Base Alloys using the TC600
  Ultra Low Nitrogen & Oxygen in Iron, Steel, Nickel-Base, & Cobalt Base Alloys using the TC500
  Oxygen & Nitrogen in Nitride Metals using the TC500/600
  Oxygen & Nitrogen in Nitrides using the TC600 / TCH600
  Oxygen & Nitrogen in Reactive / Refractory Metals and their Alloys (including Ti, Zr, W, Mo, Ta, Nb, Hf and their Alloys) using the TC600
  Oxygen & Nitrogen in Reactive / Refractory Metals and their Alloys (including Ti, Zr, W, Mo, Ta, Nb, Hf and their Alloys) using the TC500