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 Calcium Oxide Determination in Salt Rocks. The EGTA complexometric titration method is not applicable to rock samples with a total amount of strontium and barium greater than 0.4%. Measuring range: EGTA complexometric titration method, 1% to 15% calcium oxide. Flame atomic absorption spectrophotometry, 0.1% to 5% calcium oxide. This standard complies with the provisions of GB/T14505.
GB/T 14506.6-1993 history
2010GB/T 14506.6-2010 Methods for chemical analysis of silicate rocks.Part 6:Determination of calcium oxide content
1993GB/T 14506.6-1993 Sillicate rocks. Determination of calcium oxide