乙二胺四乙酸二钠-盐酸副玫瑰苯胺检测干果中二氧化硫的方法研究
郭振忠1,2,胡云峰1,李文生2,冯晓元2,3,*,王宝刚2,王纪华3
Determination of Sulfur Dioxide in Nut Fruits by EDTA-2Na Solution Sampling-Pararosaniline Hydrochloride Spectrophotometric Method
GUO Zhen-zhong1,2 HU Yun-feng1 LI Wen-sheng2 FENG Xiao-yuan2,3,* WANG Bao-gang2 WANG Ji-hua3
食品科学 . 2009, (8): 247 -250 .  DOI: 10.7506/spkx1002-6630-200908056