四氧二鐵酸鈷;納米鐵酸鈷;鐵酸鈷;四氧二鐵酸鈷, MAY CONTAIN SMALL AMOUNTS OF IRON OXIDE;四氧二鐵酸鈷, 可能含有少量的氧化鐵
COBALT IRON OXIDE
Cobaltdiirontetraoxide;COBALT IRON OXIDE;COBALT FERRITE;IRON COBALT OXIDE;Cobalt iron oxide (CoFe2O4);Cobalt iron oxide, may contain small amounts of iron oxide