The residue of pyribenzoxim in the samples of paddy soil and rice straw,grain was shaking-extracted in acetone,and cleaned up by coagulation and determined by HPLC with UV (ultraviolet) detector.
样品采用丙酮振荡提取,凝结净化和高效液相色谱检测。
By the discussion on the technology and its significance of correctly determining consumption,coagulation time and stability for cement standard consistency,the paper introduced the importance of correct test methods for reference.
通过论述正确测定水泥标准稠度、用水量、凝结时间及安定性的技术和意义,说明正确的试验方法具有极其重要的作用。
