'15 25 mass al' presentation slideshows

V 2 O 5 ( s ) + Al ( s ) ( + Fe ( s ))

(1) After calcination. V. Others 1.1 %. MgO. Japan 2.0 %. Other 6.7 %. Other 0.4 %. Other 3.0 %. Mg 2 V 2 O 7. Catalyst 12.9 %. Element. China 15.2 %. Crustal abundance (ppm). China 20.1 %. China 31.1 %. Russia 26.8 %. Russia 38.3 %. U.S.A 12.4 %. China 38.3 %.

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