We can get high purity of sample DNA by this simple and practical new method, it can meet the requirement of routine molecular biochemistry experiments.

结论改良碱裂解法操作简单、实用，所得样品纯度高，达到了分子生物学常规实验的要求。

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The second method achieves only 60% purification from raw sample, but when combined with the first, the result is 100% purity because no Shared contaminants co-elute with the product.

第二种方法只能达到60%，从原料样品净化，但与第一相结合，结果是100%纯度，因为没有共同的污染物的合作与产品洗脱。

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A glass tube containing catalyst 401 which is used as a color indicator for trace amount of oxygen was connected with the sample tube to monitor the purity of carrier gas during operation.

为了检测载气的纯度，在样品管进口直接连接装有变色的401型脱氧催化剂的检测管。

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