Could I re-add AgNO3 and KBr after the sensitasation

narigas2006

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Hi all,

If I end up with a weak emulsion and I wanna re-add silver and k salts and go through all the steps, would it be possible? Also, what would be a nice anti-fogging agent? Cheers!
 

dancqu

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narigas2006 said:
Hi all, If I end up with a weak emulsion and I wanna
re-add silver and k salts and go through all the steps,
would it be possible? Cheers!
Click to expand...

Interesting proposal. Apply gelatine, afterwards soak
in AgNO3 then in KBr. Any ready to soak papers
available? Dan
 

Photo Engineer

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What are you making? If it is a silver halide emulsion, you cannot add more silver and halide after sulfur sensitization. It covers up the work you just did in sensitization.

PE
 

dancqu

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Photo Engineer said:
What are you making? If it is a silver halide
emulsion, you cannot add more silver and halide
after sulfur sensitization. PE
Click to expand...

So it's OK. No need to incorporate the silver
halide into the gelatine at time of coating.
Perhaps a method of no use for those
who coat at home. The entire paper
would be taking up solution. Just
a thought. Dan
 
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