In 2012 the USGS estimated world reserves at 71 billion tons, whereas zero.19 billion tons were mined globally in 2011. If it is assumed that the phosphate minerals in phosphate rock are primarily hydroxyapatite and fluoroapatite, phosphate minerals include roughly 18.5% phosphorus by weight.
In 2012 the USGS estimated world reserves at 71 billion tons, whereas zero.19 billion tons were mined globally in 2011. If it is assumed that the phosphate minerals in phosphate rock are primarily hydroxyapatite and fluoroapatite, phosphate minerals include roughly 18.5% phosphorus by weight.
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In 2012 the USGS estimated world reserves at 71 billion tons, whereas zero.19 billion tons were mined globally in 2011. If it is assumed that the phosphate minerals in phosphate rock are primarily hydroxyapatite and fluoroapatite, phosphate minerals include roughly 18.5% phosphorus by weight.の魅力をPR
