Chinese Standard: GB/T 20475.5-2020

Classification for content of harmful elements in coal—Part 5:Fluorine

全国煤炭标准化技术委员会(SAC/TC 42)

GB/T 20475的本部分规定了煤炭按干燥基氟含量w(Fd)范围分级、命名和代号，以及煤样的采取、制备和测定。
本部分适用于煤炭勘查、生产加工、销售和利用。

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