Pilot batches serve as the basis for establishing in - process and finished product purity specifications.
中试批次用于建立过程内和最后产品质量标准.
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The present invention has the advantages of high hemimellitene product purity and continuous production.
优点是得到连三甲苯纯度高,可连续化生产.
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The utility model improves the product purity and the distillation ratio of the materials.
本实用新型提高了产品纯度和物料的蒸馏率.
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The results showed that the process was stable with high yield, product purity was high.
试验结果表明,工艺稳定, 产品纯度高,收率高.
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