| 摘要 |
1341851 Transistor metal borides IMPERIAL CHEMICAL INDUSTRIES Ltd 19 April 1971 [4 March 1970] 10429/70 Heading C1A [Also in Divisions B1 and C2] Transition metal borides are made by reacting a transistion metal compound (e.g. an oxide, hydroxide, alkoxide, salt or complex) with a boron-containing reducing agent (e.g. a boron hydride, alkoxide, alkoxy hydride, amine or a derivative thereof containing a reactive metal such as Na, K, Li, Al, Be, Mg, Ag, Cd, Au and U) without exposure to air; e.g. by reaction in water free of dissolved air under a blanket of hydrogen, nitrogen or other non-oxidizing gas). Examples prepare cobalt boride. |
