U of S | Mailing List Archive | alt-photo-process-l | Re: Taming Fabriano Artistico (Trad. White) for Cyanotype

Re: Taming Fabriano Artistico (Trad. White) for Cyanotype



3 Aralık 2008, Çarşamba, 10:43 pm tarihinde, Loris Medici yazmış:
> ...
> I'm not advocating usage of strong concentrations of HCl, that can be
> obtainable in non-fuming form (ca. 10 - 15%). I happen to have
> concentrated on hands, that's why I'm using it. And I dilute it pretty
> much (0.35M, ~ 1.2%, if I'm not mistaking... I use 50ml of 35% solution in
> a total volume of 1000ml -> you can do the math yourself if you like...)

Ok, I did it myself:
molar mass of HCl = 36.46g
50ml 35% = 17.5g (17.5 / 1000 = 1.75%)
17.5g / 36.46g ~= 0.47M (in 1000ml)

Regards,
Loris.