Table. 1.

XRF data for regularly utilized fluorescent targets [33, 53, 63–66].

Fluorescent target	Cu	Zn	Ge	Br	Rb	Zr	Nb	Mo	Pd	Ag	Cd	In
Atomic number (Z)	29	30	32	35	37	40	41	42	46	47	48	49
K-edge (keV)	9.0	9.7	11.1	13.5	15.2	18.0	19.0	20.0	24.4	25.5	26.7	27.9
Kα (keV)	8.0	8.6	9.9	11.9	13.4	15.8	16.6	17.5	21.1	22.1	23.1	24.1
Kβ (keV)	8.9	9.6	11.0	13.3	15.0	17.7	18.6	19.6	23.8	24.9	26.1	27.3
Fluorescent target	Sn	I	Ba	Ce	Gd	Tb	Ho	Hf	W	Au	Pb	U
Atomic number (Z)	50	53	56	58	64	65	67	72	74	79	82	92
K-edge (keV)	29.2	33.2	37.4	40.4	50.2	52.0	55.6	65.4	69.5	80.7	88.0	116
Kα (keV)	25.1	28.5	32.0	34.5	42.7	44.1	47.1	55.2	58.7	67.9	73.9	96.5
Kβ (keV)	28.5	32.3	36.4	39.3	48.7	50.3	53.8	63.1	67.1	77.8	84.7	111