In the determination of CaO and MgO content in limestone,three methods are adopted in comparison: high temperature alkali fuse,agglomeration HCldissolve and HCl direct dissolve.

• 在石灰石的氧化钙、氧化镁含量的测定中,比较了高温碱熔、高温烧结后盐酸溶样及盐酸直接溶样的方法;同时比较了不同指示剂的灵敏度。