Kallitype toning: how much palladium?

henrit

Member
Joined
Dec 30, 2018
Messages
22
Location
Fortaleza, Ceara, Brazil
Format
Digital
Hi, folks,
I've planned to make my own palladium toner for working on kallitypes, so I ordered a very small amount of palladium chloride, which seems to be the cheapest (or less expensive) of the noble metal family.
Now that I have it in my hands, I realised that the only toner formula I've found with palladium chloride doesn't really mention the precise quantity of palladium used - only vague "...7 drops of solution..", but what solution?
I understood, by reading somewhere else, that it's the B&S nr.3 15% palladium solution, but this solution is one of sodium chloropalladite, not palladium chloride.
So, I got 1 gram of the powder and just can't afford to go wrong with it. Please, can anyone help me to get this point clear?
 
OP
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henrit

Member
Joined
Dec 30, 2018
Messages
22
Location
Fortaleza, Ceara, Brazil
Format
Digital
Problem solved, folks. I've just read a post by Sandy King in another thread ("Palladium toner turning my Kallitypes purple", by Alan Davenport) in which he mentions 15% palladium chloride as equivalent to BS #3 solution. So, I'll follow his recipe: 5g of citric acid plus 5ml of 15% palladium chloride for 1 liter of destilled water.
Bad news is, 1g palladium chloride suffices only 1.5 liter of working toner solution.
 
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