Quote: Originally posted by PHILOU Zrealone | I suggest you to work also on lead dichromate PbCr2O7...also quite orange and obtained simply by mixing solutions of a soluble dichromate salt like Na
or K with a solution of a soluble lead salt (nitrate, acetate, ...) |
Have you tried this yourself and noticed this? I've done the very same and only got the same yellow color from my precipitate. Although, given the
instability of Chrome Orange to acid, it could be that my lead nitrate solution was too acidic from the get-go. |