The mercury content in PVCresins produced by carbide method was determined by hydride atom fluorescence spectrum. This method had the characteristics of high recovery and good precision.
采用氢化物原子荧光光谱法测定了电石法生产PVC 树脂中汞的含量,该方法回收率高, 精密度好。
3
Factors influencing the viscosity of PVC paste resins were analyzed. Based on a series of production experiments, effective measures to reduce the viscosity of PVC paste resins were discussed.