[meteorite-list] blue crystals as desiccants

From: Martin Altmann <altmann_at_meteoritecentral.com>
Date: Fri, 30 Mar 2007 12:54:17 +0200
Message-ID: <019701c772b9$c426ecb0$e46dfea9_at_name86d88d87e2>

Here in Germany the dessicants with the cobalt-indicator is more and more
replaced by the orange dessicants, as the cobalt-stuff was rated in 2000 to
be weakly carcinogenic.

I read, that the orange stuff uses that as indicator:
http://en.wikipedia.org/wiki/Phenolphthalein

Martin
Received on Fri 30 Mar 2007 06:54:17 AM PDT