Assertion: polysaccharide | /r/HasProperty | suspended in method
Facets:
Source sentences:
text: In a method for the selective O-acylation of chitosan , the polysaccharide was suspended in water, and a carboxylic acid (C 2 –C 9 as well as some halogenated or unsaturated acids) and H 2 SO 4 (2 M) were added at room temperature.