Molecular weight of Chodatells sp. is about 6000, and about 9700 for Nitzschia sp.. After treatment with potassium permagnate and ozone, no significant change was found in the MW of their EPS.

• 经实验分析绿藻的分子量约为6000；矽藻的分子量约为9700，使用高锰酸钾或臭氧进行氧化试验后，其胞外物分子量并没有显著的变化。