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核磁共振技术简介及应用 - USTC
液态核磁—1h谱 化学位移 耦合 积分面积 特点：1. 灵敏度最高（测试时间短，几分钟） 2. 定量关系好（同一分子中不同种类氢的比例、混合物中各组分的比例、聚合物的数均分子量、共聚比例等） 3. 复杂化合物谱峰重叠严重
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