Magnesium Oxide-Catalyzed Conversion of ... - Chemistry Europe
Chitosan was purchased from Sigma-Aldrich Co. Prior to use, chitin and chitosan were ball-milled by means of a Nitto Ball Mill ANZ-51S with alumina balls (diameter 10 mm, total 500 g); samples (10 g) were loaded into a ceramic bottle (inner diameter 200 mm), which was spun on the ball mill at 100 rpm for 48 h.
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