GB/T 24519-2009锰矿石 镁、铝、硅、磷、硫、钾、钙、钛、锰、铁、镍、铜、锌、钡和铅含量的测定 波长色散X射线荧光光谱法Manganese ores—Determination of magnesium,aluminum,silicon,phosphorus,sulfur,potassium,calcium,titanium,manganese,iron,nickel,copper,zinc,barium and lead content—Wavelength dispersive X-ray