摘要
用于生产石灰石硅酸盐水泥的石灰石混合材，其有机成分的含量不能超过一定限度．本文介绍了测定石灰石中有机碳含量的三种可分析性方法．当这些测定方法在同一实验室重复或在不同的实验室重做时，最大的质量标准偏差仅有０．０７％．
The content of organic in limestone which is to be used as filler for the manufacture of portland limestone cement must not exceed the limit value. This paper presents three analysis methods for the determination of total organic carbon content(TOC) in limestone.When the determination is repeated by the laboratory and in different laboratories the standard deviation is 0.07% by mass at the most.
关键词
石灰石
有机碳含量
测定
硅酸盐水泥
limestone total organic carbon content carbon dioxide standard deviation.
