How to handle samples before determining Liposoluble Vitamins?
How to handle samples before determining Liposoluble Vitamins?
发布时间：2025-04-02 07:04:16
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答案：【计分规则】: Weigh the right amount of food Add KOH ethanol solution Reflux and boil for saponification and quickly cool Then add HCl to neutralize, then cool again Add petroleum ether to extract and filter the organic phase
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