TmNhRhMgBrSe - 19-7-2019 at 09:42
I mixed sodium hydroxide and potassium dichromate. The solution is very alkaline. Why it still a little bit orange?
Metacelsus - 19-7-2019 at 22:51
Can you post a picture of the color?
karlosĀ³ - 20-7-2019 at 01:52
My bought sodium dichromate is bright orange?
TmNhRhMgBrSe - 25-7-2019 at 10:44
I added more sodium hydroxide to the solution. It changed to yellow. So I think the problem solved.