Re: cyano recipe

how about a kitchen recipe for gum?
--- "Christina Z. Anderson" <zphoto@bellsouth.net>
wrote:
> For sure, Kris, Charles is correct.
> The formula I use is 20 g. FAC to 100ml water, and 8
> g. pot ferri to 100 ml
> water. Pot ferri weighs more than FAC, about 15.5 g
> per tablespoon vs. FAC
> at 12.5 g per tablespoon.
>
> For the 1 cup water measure, you would use 4
> tablespoons of FAC (to 1 cup
> water) and 1 1/2 tablespoons of pot ferri (to the
> other cup water).
>
> I don't think you have to be too exact; the recipe
> for mixing 1/2 gallon
> that the blueprintable people use is this:
>
> 8 oz FAC
> 4 oz pot ferri
> 1/2 gal water.
>
> With my recipe it'd be 8 oz FAC and 3 oz pot ferri,
> and then I double the
> FAC to pot ferri when i mix part A and B anyway at
> time of use so that it
> prints faster.
>
> Sam Wang gave me a chart once where he graphed all
> the different cyano
> formulae from all the high up schmuckymucks, and the
> measurements were all
> over the board, so it isn't crucial like other
> processes that are measured
> in (arghhh) drops.
>
> Michael, kitchen recipe for VDB is this, but I am
> not knowledgeable enough
> about VDB to know if you have to be more exact:
> FAC 2 1/4 tsp to 1 oz water, Tartaric acid 1/4 tsp
> to 1 oz water, and silver
> nitrate 1/4 tsp per 1 oz water. Larger measurements
> that are more exact
> would be 5 tablespoons FAC to 1 c water, 2 1/2 tsp
> tartaric per 1 cup water,
> and 2 tsp silver nitrate per 1 cup water.
> Chris
>
> From: "kris" <kris@eq-photo.com>
> > many thanks:
> > i'll translate this further to
> > A:
> > a level 1/2 cup ferric ammonium citrate
> > 1 cup water
> > B:
> > 1 heaping tablespoon potassium ferricyanide
> > 1 cup water
> > to mix 1:1
> > best,
> > kris
> >
> > Christina Z. Anderson wrote:
> >> Yup I do, kris,
> >> Solution A:
> >> 5 tsp ferric ammonium citrate
> >> 100 ml distilled water (3 1/3 oz.)
> >> Solution B:
> >> 1 1/4 tsp potassium ferricyanide
> >> 100 ml distilled water (3 1/3 oz.)
> >> At time of use, mix 2A: 1B.
> >> Chris
>
>
>

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Received on Fri May 6 22:33:06 2005