尿基复合肥中游离水的快速测定  

Free Water in NPK Compound Determined by Karl Fisher Method

作　　者：张卫中[1] 范传亮[1] 孙玉佶[1] 

机构地区：[1]河南中原大化集团有限责任公司,濮阳457004

出　　处：《安徽化工》2003年第2期40-40,10,共2页Anhui Chemical Industry

摘　　要：直接把复合肥粉碎样加到卡尔·费休滴定容器中测定其游离水,省去萃取和离心步骤,简化了操作,分析结果重现性和准确度更高。The free water is to be determined by adding directly smashing the NPK compound to the karl Fisher Titrator without the extraction and centrifuging,so that the operation process becomes easy,and the result shows the higher accuracy.

关 键 词：尿基复合肥 游离水 快速测定 卡尔·费休法 滴定容器 

分 类 号：TQ441.41[化学工程—化学肥料工业] TQ440.72