Ultra-filtration problems

W.S. Jongman dblyuiam at xs1.xs4all.nl
Tue Sep 19 16:51:17 EST 1995

Hello all,

Has anyone some advice about the cleaning-procedure of an 
ultra-filtration cassette that is used with viruses?
Where do you have to clean the filter with?
Which tests should be done and when is a filter clean?

When I use a new filter I lose a lot of virus where used filters don't 
seem to have this problem. Any suggestion?

These are a lot of questions but there does not seem to be much 
information about ultra-filtration. If you can direct me to some 
references I would be much obliged.

Thanks in advance

astrid at weltevree.xs4all.nl

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