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锌是锌-胰岛素晶体的基本成分,通常用双硫腙法或原子吸收分光光度法测定其含量。本文用差示脉冲
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用稀HCl浸泡样品萃取核黄素(VB2),用荧光法测定核黄素含量,回收率为97.6%-102%,标准偏差为0.039。
Ribavirin was soaked in dilute HCl for......