Re: [Leica] Re: Diltilled water

[D Khong <dkhong@pacific.net.sg>]

>Jim:
>
>I will have to side with Ken on this one.  I remember in High School
>Biology class we did an experiment on Osmosis in cells.  With distilled
>water the cells would blow up and some explode.  I think it had to do with
>the difference between inside the cell and outside.  I don't know wheter it
>is trying to equalize the salinity or what, but a more knowlegeable person
>than me can explain this.  The distilled water is so pure, it rushes in
>through the membranes of the cell.  I think the emulsion is gelatin and
>made of cells.  This may be the argument that Ken was using.
>
>Regards,
>
>Robert
>

We're talking about using distilled water (plus a dash of wetting agent) in
the final rinse of no more than 15-30 sec.  This will not cause the effects
of osmosis, even if it can theoretically occur under long immersion
conditions.

Drying marks most commonly come from dirty or hard water.

Dan K.