On Wednesday 01 June 2005 03:14 am, Alan B. Pearce scribbled:
> You may have more luck with looking at melting points. One I know is used
> for calibrating in Gallium which has a melting point around 36C. Someone
> posted a link recently which had an outfit that would sell a gram or two
> for some horrendous price.

The horrendous price for calibrating one sensor, and that it's not-so-common 
are significant deterrents here.  There must be other common chemicals.

Cheers,
-Neil.

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