The Wet Digester B-440 allows an ecological pre-incineration of different types of samples. A wide temperature range (up to 600 °C) is available. Programmable incineration ramps alow for reproducible procedures. View more
Pre-incineration unit for ash determination


  • Accurate profiles programmed and stored (temperature / time)
  • Ash and sulfated ash determination
  • Compliant to European Pharmacopeia P. Petrin, H. Partenheimer, vol. 9 No 1, March 1997


  • Acid fumes captured inside the glass hood and withdrawn by the Scubber K-415
  • No corrosion of fume hood
  • No environmental pollution
  • Full control of the Scrubber via the digester

Fast and flexible

  • uickly reached digestion temperature in each crucible
  • Wide temperature range (up to 600 °C)
  • Differently sized crucibles
Expert Advice

What applications can be performed with the Wet Digester B-440?

  • Ash digestion
  • Sulfated ash determination
  • Wet incineration
  • Evaporation of volatile acids and bases
  • Heating of samples (e.g. for reactions)

What temperatures should be used for ash digestion?

  • Dry ash digestion is usually performed at 450 °C (Pharmacopoeia)
  • Sulfated ash digestion is performed at 500 °C (Pharmacopoeia) to 550 °C (AOAC)

P: 1300 552 003