New chromatographic methods for asphalt analysis

被引：0
|
作者：
Bartle, Keith D. [1 ]
Burke, Michael [1 ]
Mills, Derek G. [1 ]
Pape, Shaun [1 ]
Lu, Shi-Lin [1 ]
机构：
[1] Univ of Leeds, Leeds, United Kingdom
来源：
Fuel Science and Technology International | 1992年 / 10卷 / 4-6期
关键词：
Chromatographic Analysis - Size Exclusion - Extraction - Supercritical Fluid;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
New methods in the analysis of asphalt by size exclusion chromatography (SEC) and supercritical fluid chromatography (SFC) are described. The evaporative analyser and viscometric detectors provide a more nearly universal response in SEC than does the UV detector; a number of alternatives to polystyrene as retention volume calibration standards were investigated. SFC permitted simulated distillation at much lower temperatures than in GC, with closer correspondence to actual distillation behaviour.
引用
收藏
页码：1071 / 1082
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