关于耐火制品化学分析取样量的讨论

Discussion on the volume of sampling refractory products for chemical analysis

讨论了耐火制品化学分析取样量的问题，提出了根据矿石取样量的确定规则来确定取样量。根据耐火制品的特点，提出了均匀性系数（Ｋ）取舍设想，即制品由单种不同粒度的矿物组成，Ｋ值可取０．０５或０．１；由多种不同种类的矿物组成，且化学组成和物理性质差别不太大，Ｋ值可为０．１～０．２；由不同种变化学组成和物理性质差别很大的材料组成，Ｋ值应取０．２～０．３或更大些。同时指出了ＧＢ１０３２５－８８中关于化学分析取样量的规定其代表性有限。

The volume of sampling refractory products for chemical analysis has been discuSSed. The volume of sampling refractory products defined according to the rule of the volume of sampling ore, and the tentative plan of taking coefficient value k of homogeneity on the basis of the characteristic of refractories have been put forward. It is pointed out that the stipulation on the volume of sampling in GB 10325-88 has limited representation.