回流法测定食品中二氧化硫残留量

Reflux method determination of sulfur dioxide residues in foods

中文关键词:  食品  二氧化硫  回流法  硫代硫酸钠  测定  

英文关键词:food  sulfur dioxide  extraction  sodium thiosulfate  determination of  

中文摘要:

      食品中二氧化硫残留量的测定方法有多种,通过对蒸馏法进行创新,采用回流法,用硫代硫酸钠反滴定来测定食品中二氧化硫残留量。其操作步骤简单,回收率高,适用于食品中二氧化硫残留量的测定,应用更广泛。

英文摘要:

      sulfur dioxide residues in foods determination method has many kinds,based on innovation by distillation,reflux method,sodium thiosulfate for back titration for determination of sulfur dioxide residues in foods.The operation process is simple,high recovery rate,is suitable for the determination of sulphur dioxide in food,more extensive application.