Re: FACScan cleanup - Washing solutions ???

Eric Miller (miller@icrf.icnet.uk)
Tue, 24 Oct 1995 10:54:08 +0000 (GMT)

On Mon, 23 Oct 1995, Matthias Haury wrote:

> Hello..
>
> I'm just interested in the current washing - cleanup solution that people
> use for cleaning their machines. Our FACScans systematically get clogged up
> because the hypochlorite solution (supposedly 1 %) forms cristals in the
> stock solution.. the only solution is to prepare fresh every day (which I'm
> too lazy to do...).
>
> Is there anyother detergent/solution that people use to cleanup that
> doesn't have this problem ??
>
> Thanks a lot,
>
> Matthias

Becton Dickinson sent us a cleaning schedule involving Extran 300(from BDH)

Basically, it was:
1. Allow the machine to aspirate about 1ml of 4% Extran 300/Distilled
water.
2. Remove tube and aspirate 1ml of distilled water.
3. Leave tube in position and shut down machine with water still
in tube.

I have found no crystallisation problems with this method.
Eric, Edinburgh UK


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