悬浮液进样-导数火焰原子吸收光谱法直接测定奶粉中钙  

The Determination of Calcium in Powdered Milk By Effect-flame Atomic Absorption Spectrometry With Derivative Techniqu

作　　者：闫卫[1] 

机构地区：[1]山西省吕梁高等专科学校化学系,山西离石033000

出　　处：《吕梁教育学院学报》2004年第1期54-55,共2页Journal of Lvliang Education College

摘　　要：本文研究了悬浮液进样配合导数光谱技术直接测定奶粉中钙的新方法。样品5次平行测定的相对标准偏差小于2.64%,回收率在92.7%～114.5%之间。abstract A new method for the determination of Calcium in powdered milk by effect - flame atomic absorption spectrometry with derivative technique is proposed. The relative standard deviation of 5 times determination is less than 2.64 %. The recovery is 92.7 % 114.

关 键 词：悬浮液进样 导数光谱 奶粉 钙 

分 类 号：S121[农业科学—农业基础科学]