兑水 发表于 2009-10-24 09:44:01

ASTM D 6376-2006 用波长分散X射线荧光光谱仪检测石油焦炭中...

D6376-99 Standard Test Method for Determination of Trace Metals in Petroleum Coke by Wavelength Dispersive X-Ray Fluorescence Spectroscopy
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