出口磷矿石中五氧化二磷、氧化钙、三氧化二铁、氧化铝、氧化镁、二氧化硅和氧化钾的X-射线荧光光谱测定方法
Determination of phosphorus pentoxide,calcium oxide,ferric oxide,aluminum oxide,magnesium oxide,silicon dioxide and potassium oxide content for export phosphate rock by X-ray fluorescence spectrometry