DIN 52240-8-1994 玻璃生产用原料的检验.碳酸钙最低含量为 95% 的石灰石的化学分析.第8部分:氧化钙和氧化锰的测定
Testing of raw materials for the production of glass; chemical analysis of limestone with a minimum content of 95% calcium carbonate; determination of calcium oxide and magnesium oxide
This document specifies the titrimetric determination and the determination by flame atomic absorption spectrometry of calcium oxide and magnesium oxide content of limestone with a minimum content of 95% calcium carbonate.