JC/T 668-2009 in English

本标准规定了水泥胶砂中剩余三氧化硫含量测定方法的原理、仪器设备、材料、试验室温度和湿度、试验胶砂制备和养护、水泥胶砂溶出液的制备、溶出液的分析、结果计算及结果处理。
本标准适用于硅酸盐水泥、普通硅酸盐水泥以及指定采用本标准的其他品种水泥。

Scope

This standard specifies the principles, equipment, materials, laboratory temperature and humidity, preparation and maintenance of test mortar, preparation of cement mortar dissolution solution, analysis of the dissolution solution, and results of the method for determining the remaining sulfur trioxide content in cement mortar. Calculation and result processing. This standard applies to Portland cement, ordinary Portland cement and other types of cement designated to adopt this standard.