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联吡啶分光光度法测定维生素C桂林第三制药厂质检科(桂林541004)梁爱惠广西师范大学(桂林541004)赵梅秀,蒋治良用于测定维生素C含量的方法有紫外分光光度法、荧光法和高效液相色谱法等。在pH3.9醋酸盐缓冲溶液中及2,2’-联吡啶存在下,维生素...
Determination of Vitamin C by Spectrophotometry with Bipyridyl (Guilin 541004) Liang Aihui Guangxi Normal University (Guilin 541004) Zhao Mei-xiu, Jiang Zhi-liang Methods for the determination of vitamin C content are UV spectrophotometry, fluorescence spectrometry and high performance Liquid chromatography and so on. In pH3.9 acetate buffer solution and 2,2’-dipyridyl in the presence of vitamins ...