For development of a certified reference material of vitamin B6 in milk powder,a method of liquid chromatography-ultravi......

目的研制冻干牛血中汞成分分析标准物质。方法采集牛全血加入汞标准溶液，经混匀、分装、冷冻干燥制备成两个浓度水平标准物质研制物......