Element Analysis Based on Energy-Dispersive X-Ray Fluorescence

Table 7

Cu content of brass.

Number	Cu
	Measured value	Reference value	Relative error
1	0.0850%	0.0780%	2.18%
2	0.0756%		−3.07%
3	0.0831%		6.54%
4	0.0841%		7.82%
5	0.0743%		−4.74%
6	0.0729%		−6.54%
7	0.0727%		−6.79%
8	0.0833%		6.79%
9	0.0718%		−7.95%
10	0.0719%		−7.82%