Re: My first platinum prints - and I'm hooked
Edward, See: http://www.mikeware.co.uk/mikeware/Platino-Palladiotype.html, http://www.bostick-sullivan.com/articles/ziatype.html and http://www.bostick-sullivan.com/articles/zia_ware.html for options using ammonium iron(III) oxalate sensitizer... BTW, Pop Palladium prints made with humid paper can manifest quite strong blacks... Regards, Loris. 1 Ağustos 2008, Cuma, 7:19 pm tarihinde, Edward Draper yazmış: > Hello there from sunny London > > I've just done my first ever batch of platinum prints and I am very > pleased > with them. > > However, there are two major problems > > 1) the expense of importing kits from Bostick and Sullivan - Santa Fe to > London is not cheap > 2) The blacks are not as black as I've seen in other platinum prints > > I have been told that Solutions A and B should be saturated with oxalic > acid > - to the point where there is a permanent residue at the bottom of the > bottle > > Has anyone else had experience of this? > > So... > > I've decided to mix my own solutions. > > I've worked through the suppliers here in the UK and [found the CAS no. > for > all the substances] > > There is one major problem - ferric oxalate. I can get it but it is very > expensive - I'm assured that I can make my own quite easily > > But I can get hold of ammonium ferric oxalate at a fraction of the cost > > I see that this can be used as a substitute > > Does anyone have a recipe based on ammonium ferric oxalate? > > > > Thanks a million > > Edward (soon to be poor) Draper
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