degree of esteri fi cation (64.56% for acetic acid and 64.15% for nitric acid) and content of uronic acids (62.5% for acetic acid and 82.3% for nitric acid).
degree of esterification (64.56% for acetic acid and 64.15% for nitric acid) andcontent of uronic acids (62.5% for acetic acid and 82.3% for nitric acid).