Film Properties, Water Retention, and Growth Promotion of Derivative Carboxymethyl Cellulose Materials from Cotton Straw

Table 1

Properties of the DCMC materials.

DCMC material	Degree of substitution	Drying loss (%)	pH value
CMC-Na	0.85-0.95	≤10	6-9
CMC-K	0.60-0.80	≤10	6-11
CMC-NH4	0.78	10-20	5-8