单项选择题
The purpose of the flame in flame atomic-absorption spectroscopy is to()
A.Purify the sample B.Desolvate and atomize the analyte atoms in a sample C.Excite the analyte atoms D.Ionize the analyte atoms
单项选择题 A hollow-cathode lamp is()
单项选择题 可提高Al元素的原子化效率的方法是()
单项选择题 原子吸收光谱为线光谱,一般分布在下列哪个光区()