阿维菌素在不同醇-水溶剂体系中溶解度的测定与关联Determination and Correlation of Solubilities of Avermectins in Different Systems of Alcohol-Water
孙鹏,刘俊果,杨玉淮,刘琳
摘要(Abstract):
工业生产中阿维菌素在不同比例的有机溶剂-水体系中的溶解度是重要的基础数据,本实验采用平衡法测定了阿维菌素在甲醇含量100%~70%、乙醇含量100%~60%的水溶剂中,温度范围为30~70℃的溶解度,并采用多项式经验方程、半经验关联模型对实验测定溶解度数据进行关联,相关系数都在98%以上,结果较为满意。结果表明在甲醇-水溶剂体系中随水的比例增加,溶解度减少较为明显,以32℃时为例,90%甲醇-水溶剂比纯甲醇做溶剂的溶解度下降了67%,而乙醇-水体系随水的比例增加,溶解度减小较缓和,同样条件下,在95%乙醇-水溶剂中溶解度只下降了28%。
关键词(KeyWords): 阿维菌素;溶解度;关联;平衡法
基金项目(Foundation): 河北科技大学科研基金资助课题
作者(Author): 孙鹏,刘俊果,杨玉淮,刘琳
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