[alt-photo] Re: On working with hydrochloric acid

[Loris Medici]

Hi Peter, in case of calcium oxalate (oxalic acid + calcium
carbonate), the precipitation occurs specifically in acidic
conditions.

Regards,
Loris.


On 17 Şub 2013, at 16:14, Pgf <pfriedrichsen at sympatico.ca> wrote:

> While the oxalate salts of calcium and magnesium may not be very soluble in water, the solubility may increase under the acidic conditions of oxalic acid. Often this is the case that an insoluble salt will become quite soluble under excess acid. I can't say if this is the case here, but it is quite possible.
>
> Peter Friedrichsen