DIN 52240-8-1994 玻璃生產用原料的檢驗.碳酸鈣最低含量為 95% 的石灰石的化學分析.第8部分:氧化鈣和氧化錳的測定
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.