主次波长新光度法测定食糖中的二氧化硫  

The New Spectrophotometry with Dominant and Secondary Wavelengh for Sulphur Dioxide in Sugar

作　　者：王文侠[1] 刘玉玲[2] 代成琴[3] 李同声 

机构地区：[1]齐齐哈尔大学工学院 [2]齐齐哈尔糖厂 [3]黑龙江省经济信息中心

出　　处：《中国甜菜糖业》1998年第1期7-9,12,共4页China Beet & Sugar

摘　　要：二氧化硫与甲醛及盐酸副玫瑰苯胺作用，生成紫红色络合物。根据悬浮液吸光性质研究了食糖中二氧化硫的定量新方法──主次双波长分光光度法。该方法操作简单快速，精密度和准确度均高于单波长比色法，且计算模型稳定。Sulphur dioxide reacts with formaldehyde-rosanilne hydrochloride to form purple complex compound. According to the absorbancy light property of suspension,a new determination method of sulphur dioxide in sugar--dominant and secondary wavelength spectrophotometry- -is studied in this paper. The new method iis more accurate and precise than the traditional method. Its caculation model is steady.

关 键 词：二氧化硫 分光光度法 食糖 检验 

分 类 号：TS247[轻工技术与工程—制糖工程]