Figure 3. Graph for converting percentage of substitution, by weight, of hydroxypropoxy groups to molecular substitution per glucose unit [1]

From

Assay of Hydroxypropoxy Group in Hydroxypropyl Cellulose by United States Pharmacopeia-Titration Method

Y. Yildiz, M. Dasguptha

World Journal of Analytical Chemistry. 2018, 6(1), 1-3 doi:10.12691/wjac-6-1-1