ferrochromium byproducts: FeCl3; chlorination at 900°C in molten mixture of BaCl2 and CaCl2; FeCl3 distilled, then product leached with water;
参考文献
Gmelin Handbook: Cr: MVol.A1, 6.1, page 234 - 236
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Imperial chemical industries Ltd.
Patent: GB571201 , 1945 ;
C., 1947 , vol. II, p. 1692