standard test method for determining organic chloride
standard test method for nitrogen in petroleum and pet
standard test method for determination of total sulfur
standard test method for trace chloride in liquid arom
standard test method for trace nitrogen in liquid petr
Biodiesel is usually an effective blending component f
VOL. 17 NO. 3 (2005) 24 SPECTROSCOPY EUROPE Whilst t
ASTM发布的D7678新方法提供了另外一种可以极ng确测定水中石油烃总量的方法它使用的是对环境无污染的环己
热反射法原理:用热反射法可测量薄膜材料的热扩散系数由于材料表面的反射率随着表面温度的变化而变化,样品正面的温