Handling Toxic Powders

From: Michael Koch-Schulte ^lt;mkochsch@shaw.ca>
Date: 12/06/04-02:42:49 PM Z
Message-id: <002201c4dbd4$264dd040$e500a8c0@Sweetwood>

Are there some tricks to minimizing toxic dust kicking up when mixing
powders in solution. I'm putting together my first cyanotype and gum kits so
I guess the main ones I'm concerned about are the ammonium and potassium
Received on Wed Dec 8 23:44:23 2004

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