单项选择题
下列哪种原子荧光是反Stokes荧光()
A.Cr吸收359.35nm,发射357.87nm B.Pb吸收283.31nm,发射283.31nm C.Pb吸收283.31nm,发射405.78nm D.In吸收377.55nm,发射535.05nm
单项选择题 下列跃迁形式中,哪一种产生的是共振荧光()
单项选择题 One of the main advantages of a graphite-furnace atomizer is that()
单项选择题 The purpose of the ashing step in graphite-furnace atomic-absorption spec-troscopy is to()