医药学-分光光度法测定肉类铁元素含量-6789字.doc

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1、分光光度法测定肉类铁元素含量摘 要本次实验以多种肉类为对象，采用分光光度计测定多种肉类中微量元素铁元素的含量，经过操作实验后得出：使用配置好的10ug/ml的铁标准溶液分别吸出0.00，2.00，4.00，6.00，8.00，10.00ml置入50ml容量瓶中，并且分别加入1ml10%的EDTA溶解液，片刻摇匀，加入5ml1mol/l Naac溶解液与2ml15%二氮菲溶解液用水稀释，肉类样品加入2mol/l盐酸标准溶液稀释，与对照空白液风别装入比色皿测定，得出最终测定结果。关键词：肉类，铁元素，分光光度计，比色皿IIIAbstractThis experiment takes a varie

2、ty of meat as the object, using spectrophotometer to determine the content of trace element iron in a variety of meat. After the operation experiment, it is concluded that 0.00, 2.00, 4.00, 6.00, 8.00, 10.00 ml iron standard solution is used to suck out 0.00, 2.00, 4.00, 6.00, 8.00, 10.00 ml iron st

3、andard solution respectively, and put into a 50 ml volumetric flask, and add 1 ml 10% EDTA solution respectively, shake well for a moment, and add 5 ml 1 mol / L iron standard solution NaAc solution and 2ml 15% phenanthroline solution were diluted with water, meat samples were diluted with 2mol / L hydrochloric acid standard solution, and the control blank solution was put in