Patrick Martin schrieb:
>> I've used and enjoyed Kohlrausch's solution for many a year, but now I have none
> and need to make it. I've never done it before. The refs say dissolve
> 3% PtCl2 and 0.25% PbAc in 0.025N HCl. The PtCl2 sank to the bottom and didn't
> seem at all interested in dissolving. I then went to the Merrick Index, which
> states that PtCl2 is insol. in water, which I had just empirically proved.
>> I'm a tad confused. If you are familliar with Kohlrausch's could you drop me a
> line clarifying how it is made?
>> Thanks very much.
I could imagine that PtCl2 will dissolve in conc. HCl because it needs the formation
of the hexachloro complex.