【摘 要】
：
针对Ziegler-Natta催化剂制备中氯丁烷监测分析周期过长而影响催化剂制备的问题,提出改进的分析方法.新方法在原色谱分离系统中加入一根1 m× 3 mm的20%TCP/6201预分离柱
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针对Ziegler-Natta催化剂制备中氯丁烷监测分析周期过长而影响催化剂制备的问题,提出改进的分析方法.新方法在原色谱分离系统中加入一根1 m× 3 mm的20%TCP/6201预分离柱和切换阀,通过预分离柱和阀切换,将氯丁烷之后的非分析组分反吹出分离系统,分析周期从40 min缩短为12 min,改善了分离度,降低了监测限,方法的相对标准误差小于2.8%,满足了工艺要求.该方法已用于催化剂制备中质量控制分析.
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