I would like to ask why the color of the hydrogel formed is half peach and half brow instead of it being completely brown. Is there anyone else working with the same material? Please help!
I have attached the literature I am following to make the hydrogel for your review. Thank you.
Ali Abdulkhaleq Alwahib
Shruti Srinivas, this paper may be can give clear answer for your problem ..colors normally happens because error of interaction time between different chemical composition this is from experience in chemical reactions
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Kedir Ebrahim
the oxidizer should be removed (i hope you use potassium permanganate as oxidizing agent which converted to MnO2 inturn result the color that you see) . The solution is simple, wash with dilute HCl!!!
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