Table 9.

Results of chemical analysis of spectra in weight and atomic content.

Spectrum	Content of elements in weight, %				Content of elements in atomic, %
	Al	Si	Ti	Fe	Al	Si	Ti	Fe
1	67.86	11.32	0.00	20.83	76.42	12.25	0.00	11.33
2	41.90	31.25	0.00	26.85	49.36	35.37	0.00	15.28
3	0.60	52.98	46.42	0.00	0.78	65.54	33.68	0,00
4	2.02	41.07	52.37	4.53	2.75	53.93	40.33	2.99
5	1.41	26.98	32.37	39.23	2.20	40.17	28.26	29.37
6	7.29	52.32	40.39	0.00	9.08	62.59	28.33	0.00
7	12.33	49.66	38.01	0.00	15.13	58.59	26.28	0.00
8	8.36	54.96	36.68	0.00	10.21	64.54	25.25	0.00
9	10.75	48.81	39.14	1.30	13.38	58.39	27.45	0.78
10	0.00	100.00	0.00	0.00	0.00	100.00	0.00	0.00
11	15.10	36.02	0.00	48.88	30.38	69.62	0.00	0.00
12	0.00	100.00	0.00	0.00	0.00	100.00	0.00	0.00
13	29.98	70.02	0.00	0.00	30.82	69.18	0.00	0.00
14	0.00	54.07	45.93	0.00	0.00	66.69	33.31	0.00
15	6.04	52.08	41.89	0.00	7.58	62.81	29.62	0.00
16	99.06	0.94	0.00	0.00	99.08	0.92	0.00	0.00