Stephen C. Dahl
stebby at welchlink.welch.jhu.edu
Fri Feb 20 02:10:44 EST 1998
Helen Ritchie (H.Ritchie at cchs.usyd.edu.au) wrote:
: How can I clean old immersion oil off my slides so that I can
: photograph them ?
I have always used chloroform and a ton of cotton-tipped applicators.
Work in the hood (duh!) wet the applicator and wave it in the air to
evaporate excess. Then, with a rolling motion, (so that unsullied cotton
is continuously being presented to the surface) swipe the coverslip.
Use only one swipe per applicator or you'll just be making a mess. Figure
on 5 or 6 applicators per 18x18 coverslip. Best results are obtained if
you gently dab the immersion oil spot with a tissue first before
proceding. Be patient. There is a subtle art to this, believe it or not.
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