“自主设计实验”教学模式在仪器分析实验中的应用——ICP-OES检测茶水中的金属含量

高敏莉, 何博锐, 董佳欣, 费澄莹, 傅舒帆, 丁佳欣, 顾思奕, 李瀚洋, 李嘉媛, 丁祖旺, 丁敬康, 衡幸睿, 丁飞, 陈朗星, 朱义州, 王京

The Application of "Self-Designed Experiment" Teaching Mode in the Instrumental Analysis Experiment: Determination of Metal Elements in Tea by ICP-OES

Minli Gao, Borui He, Jiaxin Dong, Chengying Fei, Shufan Fu, Jiaxin Ding, Siyi Gu, Hanyang Li, Jiayuan Li, Zuwang Ding, Jingkang Ding, Xingrui Heng, Fei Ding, Langxing Chen, Yizhou Zhu, Jing Wang

表2 检出限对照表

元素 实验LOD/(µg∙mL−1) 文献LOD/(µg∙mL−1) Cd 0.0006 0.0010 Cr 0.0021 0.0060 Cu 0.0036 0.0150 Fe 0.0036 0.0014 Mn 0.0009 0.0078 Ni 0.0045 0.0042 Pb 0.0066 0.0070 Sn 0.0237 0.2000 Zn 0.0012 0.0018 Ca 0.0093 0.0150 Mg 0.0201 0.0150 Na 0.0276 0.0340