Donna, I would take the powder coating off with a paint stripper, try sectioning, if happy have the holder electro plated which will be a conductive coating that will protect the base metal from corrosion. Cost under $20. BR........ Alan Bright, BIC...Cambs..UK
Sent from my iPhone > On 30 Sep 2014, at 02:53, Donna Maney <dmane...@yahoo.com> wrote: > > I have a Leica SM2000 microtome, circa 2004, that has recently developed an > issue with the dry ice tray. Up until this year, we've never had any problems > with the specimen adhering to the platform. But suddenly we cannot cut > specimens because they easily become dislodged. We use 30% sucrose to stick > the specimen to the dry ice tray. When we borrow a dry ice tray from another > lab, the problem goes away. > > Our dry ice tray is powder coated and we can see the the coating is rubbing > away, but it does not seem to be coming off with the specimen. Rotating the > tray so that the specimen is attached at a different location on the platform > does not help. We have cleaned the dry ice tray with hot soapy water, rinsed > with distilled water and then with ethanol. > > Leica told me that the new trays do not have this powder coating, which makes > me think they know about a problem, but the person I spoke to on the phone > was not aware of one. > > I'd be glad to hear from anyone who has experienced the same thing or who has > suggestions. A new tray will cost $500-$1000 so I'd like to troubleshoot with > this one to the extent that it is appropriate. > > Thanks, > Donna > > _______________________________________________ > Histonet mailing list > Histonet@lists.utsouthwestern.edu > http://lists.utsouthwestern.edu/mailman/listinfo/histonet > > > -- > _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
