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Radleys innovations for chemistry
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  • Findenser Air Condenser

Findenser™ Super Air Condenser

Replaces water-cooled condensers in over 95% of common chemistry applications

  • Findenser and Findenser Mini
    Findenser and Findenser Mini
  • W11 RA20240co Findenser M NB
    Findenser and Findenser Mini set-up
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    Findenser Mini cross section
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    Findenser range of joints
  • How much water does Findenser use?
    Water consumption by common appliances vs. Findenser

Findenser™ Super Air Condenser

Back Findenser key features
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"Findenser not only removed the worry of possible flooding but as it doesn’t need to be close to a water source it freed up space.” James Lynch, Centre for Sustainable Chemical Technologies, University of Bath
  • Overview
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Findenser saves water and prevents laboratory flooding

Replaces water-cooled condensers in over 95% of common chemistry applications

Findenser Benefits

  • No risk of water leaks and flooding from running water
  • Eliminate the cost of water purchase and disposal
  • For solvent volumes from 5ml up to 1 litre
  • Helps meet sustainable water reduction targets

How does Findenser work?

  • Findenser comprises of an internal glass condenser and an external, finned aluminium jacket, between which a small amount of water is permanently sealed.
  • The glass condenser design has a greater internal surface area than traditional air condensers, increasing heat transfer capacity.
  • The finned jacket fits around the glass condenser, further increasing the external
    surface area.
  • The result is a ‘SUPER air condenser’

How much water are you wasting?

Water is a precious resource. It makes little economic or environmental sense to waste thousands of litres just to cool a single condenser. Whereas Findenser requires no running water to operate.

How much is water costing your lab?

     

    1 tap running at 2.5 litres per minute

    The cost running a water condenser

    4 hours

    8 hours

    24 hours

    Water consumption per day litres

    600

    1200

    3600

    Cost per Day

    £1

    £2

    £6

    Cost per Month, 20 working days

    £20

    £40

    £120

    Cost per Year

    £240

    £480

    £1440

    Based on a flow of 2.5 litres per minute, at a cost of 0.16p per litre of supply and disposal of water. Price from Veolia Water 2012 commercial pricing.

    Findenser return on investment

    Compared with a single water condenser, running for just 4 hours a day, Findenser will give you a return on your investment in less than one year.
     

Related Products

  • Carousel Standard Stirring Hotplate
    Carousel™ Stirring Hotplates more
  • W10 RA19297co 2 250ml Heat-On NB
    Heat-On™ Block System more
Findenser key features
  • Findenser
    Findenser cross-section
    more
  • Findenser Mini
    Findenser mini cross-section
    more
 

Findenser

Findenser Mini

Length x Diameter 400mm x 72mm 275mm x 72mm
Joints       B19, B24, B29 B14, B19, B24
Weight    1200g 670g
Inner or wetted parts Borosilicate glass Borosilicate glass
Finned jacket Anodised aluminium Anodised aluminium
Plug and Seal Acetal & HT Silicone Acetal & HT Silicone
Thermofluid Water Water
Max solvent bpt 155˚C 155˚C
Oven drying Max Temp. 60˚C 60˚C
Dishwasher Max Temp. 50˚C 50˚C
Autoclaving             Do Not Autoclave Do Not Autoclave
Ambient operating temp. 0˚C to 24˚C 0˚C to 24˚C

Findenser performance testing

A range of solvents, in identical flasks and set-ups, were tested with a Findenser, water condenser and air condenser to record solvent loss by weight.

Percentage solvent loss graph of Findenser vs. Water Condenser

Compared with an air condenser

  • For synthesis with ‘low’ boiling point solvents, Findenser showed a significant improvement in solvent retention. 
  • With acetone or DCM the reaction boiled dry when using an air condenser, yet Findenser retained 95% of the solvent under the same conditions.
  • For synthesis with ‘medium’ boiling point solvents, Findenser delivered improved solvent retention particularly with larger volumes and high temperatures.

Compared with a water condenser

Under identical conditions, Findenser retained solvent to the same level as a water condenser (with the exception of diethyl ether).

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