兑水 发表于 2009-10-13 17:15:59

ASTM D 4926-2006 用X-射线粉末衍射法对触煤剂中含硅和铝矾...

D4926-89(2001) Standard Test Method for Gamma Alumina Content in Catalysts Containing Silica and Alumina by X-Ray Powder Diffraction
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