One-Point and Multiline Calibration Fiber-Optic Laser-Ablation Spark-Induced Breakdown Spectroscopy for Quantitative Analysis of Elements in Aluminum Alloys

Table 3

The results of quantitative analysis of elements in four aluminum alloy samples by OP-MLC FO-LA-SIBS.

Sample	Element	Measured concentration (wt.%)	Certified concentration (wt.%)	Relative errors (%)
1	Mg	0.927	1	7.32
	Cr	0.103	0.15	31.26
	Cu	0.154	0.19	18.83
	Mn	0.013	0.01	32.25
2	Mg	0.788	0.81	2.68
	Cr	0.091	0.1	9.23
	Cu	0.137	0.15	8.99
	Mn	0.043	0.051	16.36
4	Mg	0.419	0.39	7.40
	Cr	0.012	0.01	20.24
	Cu	0.043	0.053	19.00
	Mn	0.138	0.15	7.97
5	Mg	0.227	0.21	8.12
	Cr	0.0071	0.0047	51.62
	Cu	0.023	0.016	40.85
	Mn	0.169	0.21	19.30