FYI iodine sublimates when heated i.e. it goes from solid
directly to gas.
Presumably resublimated means that it has been vaporized and
cooled.
Best wishes,
Paul H
----- Original Message -----
From: "Richard Harris" <yr...@cfl.rr.com>
To: <silver-list@eskimo.com>
Cc: "Richard Harris" <yr...@cfl.rr.com>
Sent: Thursday, January 06, 2005 4:01 PM
Subject: RE: CS>purification of water
Hi Himagain,
Thank you for ALL the excellent information and the wonderful
sense of humor
you continually share with "us seekers"!
This article for water purification is especially applicable in
the tsunami
areas together with CS. My "Principles of Pharmacy" textbook
4th edition by
Arny & Fischeles describes Resublimation as: "Iodine is a
blue-black,
metallic-appearing, solid, insoluble in water, but soluble in a
solution of
potassium iodide, in alcohol, in ether and chloroform, the
solution in the
two last solvents having a pink to purple color according to
concentration.
It is quite volatile, hence it must be preserved in well-closed
bottles, and
by reason of its volatility it is usually purified by
sublimation, hence the
trade name of the best quality of iodine is "resublimed
iodine". Gould's
Medical Dictionary, 5th edition, describes "Resublimation: The
process of
subliming a drug for the second time." None of my more recent
reference
books index the term. Thanks again, Himagain, for this
opportunity for a
long-time Pharmacist to share.
--
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