RE: abs. alcohol vs 95%

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From:Pam Marcum <>
To:Rebecca S Smith <>, HistoNet Server <>
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The quick and dirty way is to withdraw  a small amount of the alcohol in
question and add some xylene. If it is 95% it will become cloudy or milky
immediately.  This is not very elegant but it is quick and decisive.  Pam

-----Original Message-----
From: Rebecca S Smith []
Sent: Monday, February 14, 2000 5:06 PM
To: HistoNet Server
Subject: abs. alcohol vs 95%

We have a hydrometer that has proved VERY useful over the years for these
type of purposes.

At 12:28 AM 2/14/2000 -0500, you wrote:
>ate: 13 Feb 2000 17:40:31 -0600
>Subject: test: absolute alcohol vs 95%
>Hi there all,
>We store 20L at a time of AA, 95% and xylene within the lab in
>xplosafe containers.  These are filled from 200L drums in our
>dangerous goods store by the orderlies.  It appears as if they may
>have interposed the 95% for AA and vice versa at last filling (milky
>xylene when dehydrating).  Does anyone know of a quick,
>conclusive test to tell which is which?
>Thanks in advance,
>Aidan Schurr, New Zealand.

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