聚酯切片b值测定结果的误差分析及对策

Error analysis and the countermeasures of the determination result of PET chip's b value

从系统误差和随机误差2个方面对影响聚酯切片b值测定结果的各种因素进行分析,采取了相应的对策,可以消除各种误差产生来源,测定结果重复性好,正确反映出产品品质。

The factors that have effect on the determination results of PET chip b value were analysed from two aspeots such as the system error and accidental error. The corresponding countermeasures were taken so that variours error sources can be eliminated. The repeatitiveness of the determination results was good. The product quality can be presented correctly.