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[求助] 测量粗多糖含量,结果醇沉出来的粗多糖难溶于水,加热水也很难溶,定容后有沉淀的问题

加了热水,在水浴锅中煮,最后定容还是有些不溶的,而且离心转速和时间也高达8000r/min,10分钟,比文献高很多,结果还是离心不好,有人做过粗多糖含量测定,遇到过此类问题没有?
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