Do you use pencils to write the case numbers on your slides? I have found
the graphite can create a powder which resembles carbon pigments in
tissue sections ( like those seen in lung sections of smokers and/or city
dwellers).
Denise Long Woodward


On Tue, 18 Jan 2000 17:37:19 EST ALICELT@aol.com writes:
> Recently we have been getting black junk on our slides. We use a
> Sakura 601
> automatic stainer. We stain about 600 slides a day. It does not seem
> to be on
> the tissue just around it. We change our hematoxylin three times a
> week and
> chang all other solutions daily. We do recycle the xylene. We use
> tap water
> in our baths. If you have any suggestions Please help.
>

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