Did you know: How best to clean your workstation?

Laboratory Standard Shot DYK Blog



This is the 10th in our ‘Did you know’ series of articles introducing things you may not know about the Whitley range of products and services – read on and you may find out something about your workstation that could make your working life easier.

We regularly receive enquiries from customers with regard to which disinfectants can be safely used inside Whitley Workstations. Although it is not practicable to evaluate every available product, we have tested the materials compatibility of several sporicidal disinfectants and can now provide comprehensive advice on this topic.



How often should I clean my workstation?

DWS recommend that as part of the daily checks, users ensure that the workstation is free from spillage and cleaning carried out as necessary. Prior to having your workstation serviced, however, it may be necessary for it to be decontaminated.

Which disinfectants have DWS tested?

  • Spor-Klenz – peracetic acid (approx 0.1%) + hydrogen peroxide (approx 1.0%) – “ready to use” product, tested without further dilution.
  • Chemgene HLD4H – quaternary ammonium compounds (approx 1%) + chlorhexidine digluconate (approx 1%) – “ready to use” product, tested without further dilution.
  • Safe Hospital – hypochlorous acid – “ready to use” product, tested without further dilution.
  • Tristel Fuse – chlorine dioxide (approx 1%) – prepared from concentrated components according to manufacturer’s instructions.

For more information on these tests, please see the appendices of your Whitley Workstation user manual.


Which of the above products are OK for use in a Whitley Workstation?

Our tests demonstrated that each of these formulations is satisfactory for use in Whitley Workstations and will not cause any damage when used in accordance with the manufacturer’s recommendations.


What if I want to use a cleaning agent not on the above list?

Other disinfectants containing the active ingredients listed above, at similar concentrations to those shown, can also be safely used inside Whitley Workstations. If you wish to use a disinfectant containing active ingredients not listed here, please contact us for advice before proceeding.


Why should I contact DWS for advice – will any damage not be covered under my warranty?

Unfortunately, we cannot cover under the equipment’s warranty any damage caused to a Whitley Workstation as a result of exposure to products that have not been approved by us.


Can I use Virkon as my preferred sanitising solution?

After a thorough study lasting 20 weeks, we concluded that the presence of any uncovered containers of Virkon in anaerobic and variable atmosphere workstations leads to the degradation of stainless steel, brass and some other metal components. The effect is more considerable when oxygen is present in the selected gas mixture. These conclusions are supported by technical information available on the Virkon manufacturer’s website and independent observations by an Institute of Materials metallurgist. If Virkon is the preferred sanitising solution these adverse effects can be minimised by ensuring that Virkon within any workstation is always kept in a covered vessel when not in use.


OK, so what’s the best way to clean the acrylic parts of a Whitley Workstation?Labdet100 Blog

The transparent and/or white acrylic on the inside and outside of the Whitley Workstation System may be swabbed with a 2% solution of Labdet 100 (DWS – stock code D00003) in warm water and dried afterwards with a soft clean cloth. In the case of culture spillages then any of the disinfectants listed above solution should be applied to the spillage and left for 30 minutes. It should then be mopped.


Never use any solvent on the acrylic surfaces of the workstation. Use only water and a mild detergent solution (i.e. Labdet 100 2% solution) as a cleaning agent.


What if the spillage leaks underneath the floor of the workstation?

If spillage is not contained on the working surface then access underneath this area will be required in all Whitley Workstations except the DG250. Some workstations require the removal of retaining bolts before the floor can be lifted up or pivoted for cleaning underneath.

If liquid has been spilled upon the Anotox and catalyst sachets they should be removed, dried and/or replaced.


How can I deal with scratches on the acrylic plastic surface of my workstation?

Scratches may be removed by gently polishing the surface with ‘DURAGLIT WADDING’ followed by wiping with a soft clean cloth. Deep scratches may require the use of Wet and Dry abrasive paper used wet, followed by polishing with ‘DURAGLIT’ – seek advice from Don Whitley Scientific Limited or our authorised agents overseas.


How can I clean the sleeves on my workstation?Sleeve Kit-Components DYK Blog

The white sleeves used on all Whitley Workstations may require cleaning after periods of extended use. There are a number of options for cleaning and some recommendations listed below:

  • Wipe with a mild detergent
  • Wash or dry-clean with a detergent up to 75ºC
  • For disinfection use Sodium Hypochlorite (at no more than 1000ppm active Chlorine) or any of the disinfectants listed above
  • Do not use Biological or Phenolic based cleaners
  • Wash and dry completely before storage
  • Some surface wrinkling may occur.


If you have any remaining concerns about disinfectants for use in Whitley Workstations, please get in touch with our sales team:

Tel: 01274 595728


Email: sales@meintrup-dws.de


DYK8: Single Plate Entry Systems

Whitley A35 Workstation Single Plate Entry System

This is the 8th in our ‘Did you know’ series of articles introducing things you may not know about the Whitley range of products and services – read on and you may find out something about your workstation that could make your working life easier.

Single plate entry systems (aka Letterboxes) are a useful option available on all Whitley Workstations, but why would you need one?


Orders from 8 Different Countries in 1 Week

Whitley A95 Anaerobic Workstation brand

Although we have been selling our products worldwide for some years now, we had something of a record breaking week last week.

Don Whitley Scientific received orders from eight different countries in the working week of Monday, 17th to Friday, 21st June. This is the largest number of different countries that we’ve had place orders in a single week.

Products ordered included eight workstations (five Whitley A35 Anaerobic Workstations; one of the popular DG250 Workstation; one of the latest and largest in our range, the A95 Anaerobic Workstation; and a H35 Hypoxystation, the workstation designed specifically for cell and tissue culture).

We would like to thank our distributors from the following countries:

  • Spain (Nirco S L)
  • Sweden (VWR International AB)
  • Korea (Jin Sung Uni-Tech)
  • Turkey (Bentley Merkim Ltd)
  • Taiwan (Cold Spring Biotech)
  • Ireland (Davidson & Hardy Laboratory Supplies)
  • Germany (Meintrup-DWS Laborgeräte)
  • England (Don Whitley Scientific UK)



New 10 Plate Petri Dish Racks and Tags

10 Plate Petri Dish Tags

If you are a regular Petri Dish Rack user, you may have noticed that any new 10 Plate Petri Dish Racks delivered recently are the new stainless steel model. More robust, more sturdy and autoclaveable, these racks are ideal for stacking, sorting and storing your Petri dishes in a Whitley Workstation.

As well as the new racks, we have developed a new coloured label system that has additional advantages. As well as being invaluable in organising your plates (even within the stack) and having the facility to write on (and wipe off), these tags perform a useful security purpose – if a rack is accidentally knocked over, plates secured by this system will not spill out.

The set of Petri Dish Rack Coloured Tags includes 20 of each of seven different colours: yellow, blue, red, green, white, orange and grey tags. A colour for every day of the week!

Petri Dish Tags - write on and wipe off
Petri Dish Tags – write on and wipe off
Coloured Petri Dish Tags
Coloured Petri Dish Tags

Another Happy DG250 Customer

Dental School, Dundee University with new DG250

Here’s a photograph of Dr David Edwards (on the right), Senior Lecturer in Microbiology at the University of Dundee’s Dental School, receiving his new Whitley DG250 Workstation recently. Also pictured is Joe Walton from the sales team at Don Whitley Scientific who installed the device for Dr Edwards.

Current research topics in the laboratory include:

  • Modelling the cell cycle & infectivity of the Periodontal pathogen Fusobacterium nucleatum.
  • Investigating the role of a SNF-2 related DNA helicase proteins in the regulation of chromosome partition in a model microorganism (Collaborator: Professor Tom Owen-Hughes, CLS, UoD).

Leasing Equipment from DWS

Whitley A35 Anaerobic Workstation



Can I lease equipment from Don Whitley Scientific?

Yes, we have a long-standing relationship with Syscap who provide flexible financial solutions for a variety of organisations across the UK. They will assess your requirements and circumstances and suggest a suitable payment schedule that allows you to obtain the DWS equipment you need, with sensible repayments.