silver nitrate and safety

Smieglitz@aol.com
Mon, 03 Nov 1997 00:11:08 -0500 (EST)

>Anyone on the list know a recipe for making silver nitrate? Perhaps a
>reference book? I've heard photographers in the 1800's used to make silver
>emulsions by dissolving silver coins in nitrate acid in order to obtain the
>silver nitrate. Does it precipitate out? How do you concentrate/purify it,
>etc. ?

Whoa! I received a couple of immediate responses both on and off list to
this question. Sounds *extremely dangerous* due to the generation of various
gases, heat, etc. Thanks to all who responded. I'll go back to something
safer like gum printing.

Joe