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12-14000 Daltons Tubing

1350 Daltons Tubing

3500 Daltons Tubing

7000 Daltons Tubing

3500 Daltons Flat Sheets

7000 Daltons Flat Sheets

12-14000 Daltons Flat sheets

Closures

Preparation

Chemical Tolerances

Temperature Tolerances

 

VISKING DIALYSIS MEMBRANES

are supplied in dry form as tubing or flat sheets which require cleaning before use. Lengths vary according to type of membrane but the standard lengths supplied are 5 metres, 15 metres and 30 metres.

Special length requirements can be easily accommodated and for details please contact us or

MEDICELL INTERNATIONAL.

 

At present molecular weight cut-offs (MWCO) are at 12-14000 Daltons which is the standard rating, 1350 Daltons, 3500 Daltons and 7000 Daltons.

We are in the process of developing membranes with cutoffs at different levels and hope to introduce these in 2000, meanwhile a larger range of cutoffs is available from MEDICELL INTERNATIONAL who stock membranes with cutoffs from 50 to 2,000,000 Daltons.

Please note that cutoffs should be regarded as a guide and the permeability of the membrane to any particular molecule will depend on factors other than simple molecular weight, for example shape or volatility of the solution. It is always advisable to use a membrane with a cut off well below the molecular weight of the molecule to be retained. See also our disclaimer.

 

LAST UPDATED

13 Sep 2004

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