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本文介绍了用离子交换法降低甘草浸膏灰份的实验研究。实验表明:用国产大孔阳离子交换树脂D001-CC及强碱性阴离子交换树脂D296配合使用,可将原甘草浸膏中12％的灰份降低至5～7％,同时用氨水、稀盐酸、稀氢氧化钠溶液分次再生树脂可减少甘草浸膏有效成份的损失。并且设计了工业上可能采取的工艺路线。
This article describes the use of ion exchange method to reduce Licorice extract ash experimental study. Experiments show that: with the domestic macroporous cation exchange resin D001-CC and strong basic anion exchange resin D296 with the original licorice extract can be 12% of the ash reduced to 5 to 7%, while ammonia, dilute hydrochloric acid, Dilute sodium hydroxide solution resin regeneration can reduce the licorice extract active ingredient loss. And the design of the industry may take the process route.