摘要
在氧化剂存在下用4—氨基安替比林测定聚碳酸酯树脂中微量酚的方法具有灵敏度高、选择性好、干挠少等特点。其最大吸收峰位于510um;摩尔吸光系数ε_(510)=1.40×10~4L·mol^(-1)·cm^(-1);测定范围在0～250μg/100mL时符合比耳定律;相对误差小于3.0%;回收率为97.0～100%。本方法也可借鉴用于测定其它高聚物中的微量酚。
In this article, the method of determining the phenol in PC resin by 4-aminoantipyrine in the presence of oxidizer wasstudied. This method has high sensitivity, good selectivity and less disturbance. The maximum absorption is at 510 nm and mo-lar absorptivity e_(510)=1. 40×10~4L·mol^(-1)·cm^(-1). When the area of determination is 0-250μg/100mL,it agreed with Beer'slaw. The relative arror is less than 3. 0%, the recovery ratio is about 97. 0--100%. This method could be applied to determin-ing trace amount phenol in other polymers, too.
出处
《塑料工业》
CAS
CSCD
北大核心
1990年第5期50-53,共4页
China Plastics Industry
