Re: pinhole chemical precipitate

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From: Geoff Ruth (gruth@leadershiphigh.org)
Date: Fri Feb 04 2005 - 13:00:55 PST 

Message-Id: <p0611040dbe2992d2d3e3@[192.168.1.158]>
Date: Fri, 4 Feb 2005 13:00:55 -0800
From: Geoff Ruth <gruth@leadershiphigh.org>
Subject: Re: pinhole chemical precipitate

Paul,

How about using TSP (trisodium phosphate), a relatively safe
household scouring chemical? TSP is slightly irritating to skin +
respiratory passages, but nowhere near as nasty as NaOH.

Mixing this and magnesium will produce a precipitate.

- Geoff

>I'm looking for a chemical reaction (exchange reaction) in which two
>aqueous salts are mixed to create a precipitate.
>
>I want this to use simple safe household chemicals.
>
>So the first opne I found: epsom salt and sodium hydroxide (Draino) is out
>because the drano is too caustic.
>
>Got any ideas?
>
>Paul D
>
>
>
>
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