Re: pinhole Limewater

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From: Andrew Coblentz (acsl@mindspring.com)
Date: Sun Sep 02 2001 - 06:39:20 PDT 

Message-ID: <000c01c133b4$ac7a2360$bb29fea9@oemcomputer>
From: "Andrew Coblentz" <acsl@mindspring.com>
Subject: Re: pinhole Limewater
Date: Sun, 2 Sep 2001 06:39:20 -0700

Thanks, Neil. Where can I get calcium hydroxide?

----- Original Message -----
From: <NFetter@aol.com>
To: <pinhole@exploratorium.edu>
Sent: Saturday, September 01, 2001 3:21 PM
Subject: Re: pinhole Limewater

> Hi Andy,
> Lime water is a saturated solution of calcium hydroxide, Ca(OH)2. Since
> calcium hydroxide is only slightly soluble is water, a little bit goes a
long
> way. A tablespoon in a gallon of water will do the trick. You can also
make
> lime water from calcium oxide (quicklime) (CaO), but be careful, it will
> attack skin and it generates a lot of heat energy when it is put in water.
> Neil Fetter
>
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