Sciencemadness Discussion Board

Silver Photo Emulsion

souzaval - 1-8-2005 at 03:54

Hello. . .everybody I´m new for here. . .
I´m trying to make my onw silver plate negatives. I´m building my 20cm X 30cm camera. I´m not a chemical, buy this I want ask if somebody knows how or where can I get recipies for making the silver halide.
Thank very much.
Valerio.

docberto - 1-8-2005 at 05:02

Well if you have silver, the easiest way is to dissolve it in nitric acid then precipitate it with a bromide salt. You would then make an emulsion of that with gelatin.

souzaval - 1-8-2005 at 07:06

Ok . . . Docberto . . . But I need more details, I think much more details. . .
How much silver and nitrate whats the relation. Ex. For i make 100g Silver Nitate ???
How I´m not a chemical, unfortunately I need details about to do, how to proceed, step by step. like a cake recipe.
I aleady got some material form internet, but all is superficial as much.
Thank You for while. ..

Tacho - 1-8-2005 at 09:46

Your post is too vague to get any help.

What exactly are you trying to make? A science fair project?

Your name sounds familiar, U2U me in portuguese if you will.