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杨-sheep

铜虫 (小有名气)

[求助] 火棘多糖提取遇到的问题

1.用水提醇沉法提取1g干燥后的火棘多糖样品要用多少原料?
2.水提的料液比多少比较合适?
3.将水提后的火棘多糖提取液浓缩至多少体积比较合适?
4.醇沉应该用多大浓度的乙醇?

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