Download or read book GB T 6730 28 2021 Translated English of Chinese Standard GB T 6730 28 2021 GBT6730 28 2021 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2023-11-19 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document specifies a method for the determination of fluorine content using ion-selective electrode method. This document applies to the determination of fluorine content in natural iron ores, iron concentrates, and lump ores, including sintered products. The determination range (mass fraction): 0.005 % ~ 1.00 %.