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[½»Á÷] Çë½Ì¸÷λ"solution combustion synthesis"·½·¨ÊÇÔõô×öµÄ?

A series of spinel catalysts were prepared via a highly
exothermic and self-sustaining reaction, the so-called ¡®¡®solution
combustion synthesis¡¯¡¯ method (SCS) [9]. Particularly, a
concentrated aqueous solution of various precursors (metal
nitrates and urea) was located in an oven at 600 8C for a few
minutes in a crucible, so as to ignite the very fast reaction.
Under these conditions nucleation of metal oxide crystals is
induced, their growth is limited and nanosized grains can be
obtained.
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