[Alt-photo] Re: GUM: problematic yellow?

Kees Brandenburg workshops at polychrome.nl
Thu Feb 6 08:39:55 UTC 2014


On 6 feb. 2014, at 09:36, Remko de Graaff <remko at degraaff.biz> wrote:

> Potassium Dichromate(37% !!!)

Hi Remko,

The maximum saturated solution for potassium dichromate is around 10%. You probably mean ammoniumdichromate.
A 10% solution should do the job at ease though.

Kees



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