i make a palette ( SiO2 + CTAB ) mixed with KBr. the color supposedly to be white but after 2-4 hour it change to a little bit orange. anybody why the color change.
Sounds as though the KBr is being oxidized to to Bromine somehow
Regarding the coloration, I am thinking in a similar way.. Perhaps bromine could come from CTAB..
I suppose it might be the reaction of Bromine
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