- #1
Barret
- 1
- 0
I am trying to create a solution of Chitosan (Low MW) in 1% Acetic acid. I ve tried dissolving up to 3gr per 100ml (Literature reports solutions up to 10% wt.)
My problem is that by using extensive sonication and stirring for days the solution is still very thick (very viscous) and you can see particles in it.
If I use heating (~70 C for a day) I can get a cleaner (less viscous) solution but strangely the colour changes from light yellow to dark orange. Do i induce somekind of crosslinking that way?
Whats the safe way to dissolve Chitosan?
My problem is that by using extensive sonication and stirring for days the solution is still very thick (very viscous) and you can see particles in it.
If I use heating (~70 C for a day) I can get a cleaner (less viscous) solution but strangely the colour changes from light yellow to dark orange. Do i induce somekind of crosslinking that way?
Whats the safe way to dissolve Chitosan?