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南通市華安超臨界萃取有限公司       網址:www.rt66613.com       熱線:13906276600、15996616200         中文     English 熱線:13906276600、15996616200         中文     English
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CO2超臨界萃取簡介

日期:2016-5-26    來源:本站訊    瀏覽量:3600

    超臨界流體萃取技術是近代化工分離中的一種新型分離技術,超臨界CO2萃取是采用CO2作溶劑,超臨界狀態下的CO2流體密度和介電常數較大,對物質溶解度很大,并隨壓力和溫度的變化而急劇變化,因此,不僅對某些物質的溶解度有選擇性,且溶劑和萃取物非常容易分離。超臨界CO2萃取特別適用于脂溶性,高沸點,熱敏性物質的提取,同時也適用于不同組分的精細分離,即超臨界精鎦。用超臨界CO2作溶劑對生物、食品、藥物等許多產物的提取和純化。

 
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