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