Chitosan samples with a low degree of deacetylation (DD) were dissolved in 20% HCl while samples with a DD of 50% and above were dissolved in a 1% solution of acetic acid.
Chitosan samples with a low degree of deacetylation(DD) were dissolved in 20% HCl while samples with a DD of50% and above were dissolved in a 1% solution of acetic acid.