葡萄酒中铁和锌含量的测定  

Detection for Fe Zn Contents in Wine Ren jiandin

作　　者：任建林[1] 周桂花[1] 林枫[1] 胡奇林[1] 

机构地区：[1]宁夏大学化学化工学院,宁夏银川750021

出　　处：《石油化工应用》2007年第1期54-55,共2页Petrochemical Industry Application

摘　　要：本实验研究了用双波长分光光度法以锌试剂为显色剂,同时测定葡萄酒中的微量元素铁和锌,铁离子的检出限为0～20μg／25 ml,锌离子的检出限为0～30μg／25 ml。本法简便易行,结果可靠,能够同时测定葡萄酒生产中铁离子和锌离子的含量,为葡萄酒生产的质量控制和储存期对品质的影响提供一种途径。This experimental study take the zinc reagent as the developer with the double wavelength spectrophotometry （ DWS）, simultaneously determined the trace element iron and the zinc in the grape wine, the Fe^3＋ picks out limits 0 -20μg/25 ml, the Zn^2＋ picks out limits 0 - 30μg/25 ml. The result is reliable, can simultaneously determine the Fe^3＋ and theZn^2＋ content in the grape wine production, the influence provides one way for the grape wine production quality control and the storage time to the quality.

关 键 词：双波长分光光度法 葡萄酒 铁 锌 

分 类 号：TS262.6[轻工技术与工程—发酵工程]