This standard is applicable to biotite granite, rhyolite, granodiorite, quartz hornblend andesite, olivine basalt, gabbro, trachyandesite, nexia syenite, sandstone, shale and other silica with similar composition Determination of fluorine in salt rocks. Measuring range: 0.02% to 2% fluorine. This standard complies with the provisions of GB/T14505.
GB/T 14506.12-1993 history
2010GB/T 14506.12-2010 Methods for chemical analysis of silicate rocks.Part 12:Determination of fluorine content
1993GB/T 14506.12-1993 Sillicate rocks. Determination of fluorine content. Ion selective electrode method