相关考题
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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（）
A.A
B.B
C.C
D.D -
单项选择题
One of the main advantages of a graphite-furnace atomizer is that（）
A.It requires only very small quantities of a sample
B.It requires metal.ions in aqueous solution
C.It does not produce background emission like a flame
D.It does not get hot like a flame
