Alcan Bayer Process Standards					Please call for availability and current pricing – (303) 216-2621 or (800) 421-9454
		Percentage by Weight (Dry basis)										Determined by XRF, ICP and gravimetry
Bauxite	Loss of Mass LOM	Al as Al2O3	Fe as Fe2O3	Si as SiO2	Ti as TiO2	Zr as ZrO2	P as P2O5	V as V2O5	S* as   SO3	Cr as Cr2O3	Ca as CaO	Mg as MgO	Mn as MnO2	Zn as ZnO	K as K2O	Na as Na2O	Organic C as C
BXT-11	27.4	54.2	12.8	1.49	3.39	0.08	0.15	0.11	---	0.10	0.01	0.03	0.01	0.003	0.02	0.03	0.11
Replaces -01	± 0.1	± 0.3	± 0.2	± 0.06	± 0.06	± 0.01	± 0.01	± 0.01	---	± 0.01	± 0.01	± 0.01	± 0.01	± 0.001	± 0.01	± 0.01	± 0.02
BXT-02	27.0	50.9	17.8	1.56	1.87	0.05	0.15	0.06	0.08	0.068	0.04	0.09	0.01	0.009	0.01	0.04	0.07
	± 0.1	± 0.6	± 0.2	± 0.04	± 0.04	± 0.01	± 0.02	± 0.01	---	± 0.009	± 0.02	± 0.02	± 0.01	± 0.004	± 0.01	---	± 0.01
BXT-13	28.52	53.4	11.44	4.82	1.54	0.08	0.02	0.04	0.09	0.016	0.02	0.01	0.01	0.002	0.01	0.01	0.051
Replaces -03	± 0.2	± 0.1	± 0.02	± 0.01	± 0.01	± 0.01	± 0.01	± 0.01	± 0.02	± 0.001	± 0.01	± 0.01	± 0.01	± 0.001	± 0.01	± 0.01	± 0.002
BXT-04	25.7	48.5	17.0	2.68	5.32	0.06	0.13	0.19	0.13	0.090	0.02	0.05	0.04	0.003	0.03	0.02	0.12
	± 0.1	± 0.4	± 0.2	± 0.07	± 0.06	± 0.01	± 0.02	± 0.03	---	± 0.05	± 0.01	± 0.01	± 0.01	± 0.003	± 0.01	---	± 0.02
BXT-05	27.2	46.8	19.2	1.98	2.25	0.06	0.38	0.11	0.21	0.108	1.13	0.08	0.32	0.026	0.01	0.03	0.28
	± 0.2	± 0.4	± 0.2	± 0.05	± 0.04	± 0.01	± 0.02	± 0.02	---	± 0.003	± 0.08	± 0.02	± 0.02	± 0.003	± 0.01	---	± 0.03
BXT-06	27.2	48.7	18.9	0.80	2.67	0.07	0.61	0.13	0.15	0.134	0.13	0.06	0.27	0.023	0.01	0.03	0.14
	± 0.3	± 0.5	± 0.3	± 0.02	± 0.04	± 0.01	± 0.03	± 0.02	---	± 0.002	± 0.03	± 0.02	± 0.04	± 0.002	± 0.01	---	± 0.02
BXT-07	24.7	44.6	25.2	2.41	2.41	0.07	0.14	0.07	0.16	0.047	0.01	0.04	0.08	0.006	0.01	0.02	0.08
	± 0.2	± 0.7	± 0.6	± 0.07	± 0.07	± 0.01	± 0.02	± 0.01	---	± 0.004	± 0.01	± 0.01	± 0.01	± 0.002	± 0.01	---	± 0.01
BXT-08	25.6	51.5	9.6	3.17	9.41	0.10	0.26	0.19	---	0.048	0.02	0.04	0.02	0.006	0.02	0.02	0.07
	± 0.2	± 0.5	± 0.3	± 0.05	± 0.05	± 0.01	± 0.01	± 0.04	---	± 0.004	± 0.01	± 0.02	± 0.01	± 0.001	± 0.01	---	± 0.01
BXT-09	20.8	53.4	14.5	7.57	2.98	0.12	0.07	0.06	0.06	0.037	0.01	0.002	0.03	0.04	0.01	0.01	0.20
	± 0.1	± 0.4	± 0.3	± 0.07	± 0.06	± 0.01	± 0.01	± 0.01	---	± 0.004	± 0.01	± 0.002	± 0.01	± 0.01	± 0.01	---	± 0.03
* Tentative values
Alcan Bayer Process Standards					Please call for availability and current pricing – (303) 216-2621 or (800) 421-9454
		Percentage by Weight (Dry basis)										Determined by Laboratory Bomb Digests
Bauxite	Low Temperature Extractable alumina				HighTemperature Extractable alumina				HighTemperature Extractable alumina				HighTemperature Extractable alumina
	Al 150				Si 150				Al 225				Si 225
BXT-01		54.3	± 0.5			0.5	± 0.1			57.2	± 0.4			0.9	± 0.1
BXT-02		46.5	± 0.7			1.1	± 0.1			49.5	± 0.6			1.3	± 0.1
BXT-04		42.5	± 0.4			2.3	± 0.1			46.3	± 0.4			2.5	± 0.2
BXT-05		42.4	± 0.6			1.5	± 0.1			44.5	± 0.6			1.7	± 0.1
BXT-06		45.5	± 0.6			0.5	± 0.1			47.4	± 0.6			0.7	± 0.1
BXT-07		39.7	± 0.6			0.6	± 0.2			39.5	± 0.8			2.1	± 0.2
BXT-08		41.7	± 0.4			2.9	± 0.1			48.5	± 0.9			3.0	± 0.1
BXT-09		26.4	± 1.0			5.9	± 0.4			46.5	± 0.8			6.8	± 0.7