問題詳情
21. Why is source modulation needed in atomic absorption spectroscopy?(1) to create a double-beam configuration for the spectrometer, (2) to separate the emissionsignal of the analyte in the flame from the emission of the fuel and oxidant in the flame, (3)to create a AC type of signal for the flame emission, (4) to create a DC type of signal forthe light source, (5) to create a AC type of signal for the light source. Your answer:
(A)1,2,4
(B)1,5
(C)1,4
(D)1,2,3
(E)5
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增