Boiling cycler nightmare

Tom Knight tk at
Thu Aug 17 14:43:22 EST 2000

There is a set of wax materials called, I think, Tempilaq
(, which have defined melting points.  I would trust
those much more than a thermocouple for testing a PCR machine, given
the vagaries of heat conduction along the thermocouple wire.
Also of interest to this newsgroup, perhaps, is that they make autoclave
color changing paint. (no relationship etc.)

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