Among the four obtainedfractions, water fraction measures up to the standard of low EEO agarose. Itssulfate contents is 0.16%, its gel strength is 1130 g/ cm 2(1% gel), itselectroendosmosis (EEO) is 0.12, which are similar to Sigma product?s.

• 石花菜琼脂分级得到的四个级分中，水级分的硫酸基含量为0.；16%25，凝胶强度为1130g/cm~2（1%25浓度），电内渗（EEO）为0