Jepson Bolton's International Catalogue
  • Wet Acid Digestion System Buchi B-440 + B-412

    Complies with IEC1010

    Wet acid digestion and sulphated ash determinations are procedures which are in common use in analytical laboratories, particularly in the pharmaceutical industry. These procedures, when carried out in open systems such as fume cupboards lead to corrosion of extraction systems and environmental pollution. This new Buchi system allows the procedures to be carried out in a closed environment in which acid fumes are extracted and neutralised via a scrubbing unit before clean air is released into the atmosphere. For sulphated ash determinations samples may be transferred to a muffle furnace for final high temperature ashing after all acid fumes have been removed.

    The system consists of the new Wet Digestion B-440 and the proven Scrubber Unit B-412. The Wet Digestor allows up to six samples to be processed simultaneously in ceramic crucibles which are available in three sizes, 30, 55 or 95ml capacity.

    The samples are enclosed in the glass fume extraction hood and are visible at all times; fumes are extracted and neutralised in the B-412 Scrubber Unit.

    Crucibles are heated by means of a quartz halogen tubular lamp which can quickly achieve the maximum digestion temperature of 600C. Up to nine different time/temperature profiles may be programmed and stored for repeated use. Each profile consists of five time/temperature steps with time units selectable in 1 minute intervals up to 240 minutes and temperature units selectable in 1C increments up to 600C. Program number, step sequence, time and temperature are digitally displayed on the control panel.

    Systems are supplied complete with Wet Acid Digestor B-440, Scrubber B-412, condensate trap, Viton® connection tubing, ceramic plate, corresponding ceramic crucibles and operating instructions.

  • Specification

      Wet Acid Digestor B-440
      
      No. of samples               Up to 6
      
      Crucible volume              30, 55 or 95ml
      
      No. of digestion programmes  9 (non-volatile)
      
      Digestion temperature max    600C
      
      Digestion time max           240 mins
      
      Dimensions l x w x h         370 x 470 x 290 mm
      
      Weight                       12 kg
      
      Quartz halogen heater        1100 W
      
      Electrical requirements      240V 50Hz 5A
      
      Scrubber B-412
      
      Pump delivery                20 ltr/min
      
      Vacuum                       130 mbar approx
      
      Dimensions l x w  03 h       470 x 255 x 410 mm
      
      Weight                       11 kg
      
      Electrical requirements      240V 50Hz 1A
      
      

  • Ordering information
      D40-100  Wet Acid Digestion System Buchi B-440 + B-412
      
               incl. glass ceramic plate with 6 openings
      
               35mm dia and 6 crucibles 30ml capacity,
      
               h x dia 35 x 40mm                              4050.00
      
      D40-102  Wet Acid Digestion System Buchi B-440 + B-412
      
               incl. glass ceramic plate with 4 openings
      
               50mm dia and 4 crucibles 55ml capacity,        4050.00
      
      D40-104  Wet Acid Digestion System Buchi B-440 + B-412
      
               incl glass ceramic plate with 4 openings
      
               59mm dia and 4 crucibles 95ml capacity,        4050.00
      
      

  • Accessories
      
      D40-120  Glass ceramic plate with 6 openings 39mm dia    160.00
      
      D40-122  Glass ceramic plate with 4 openings 50mm dia    137.00
      
      D40-124  Glass ceramic plate with 4 openings 56mm dia    137.00
      
      D40-126  Glass ceramic plate with no openings             52.00
      
      
      
      D40-130  Ceramic crucibles 30ml capacity,
      
               h x dia 35 x 40mm                                 4.50
      
      D40-132  Ceramic crucibles 55ml capacity,
      
               h x dia 43 x 52mm                                 6.70  
      
      D40-134  Ceramic crucibles 95ml capacity,
      
               h X dia 50 x 60mm                                 8.90
      
      
    Viton® is a registered trademark of DuPont Dow Elastomers.
    * To request further information please Email enquiry@jepbol.com
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