热重分析法快速测定机动车辆制动液蒸发损失  

Rapid Determination of the Evaporation Loss of Motor Vehicle Brake Fluids by Thermogravimetric Analysis

作　　者：吕玉平 任成龙 闻环 陈千里 刘育鹏 陈璧珺 LÜ Yu-ping;REN Cheng-long;WEN Huan;CHEN Qian-li;LIU Yu-peng;CHEN Bi-jun(National Quality Supervision&Testing Center for Petroleum and Petrochemical Products of China(Guangdong),Huizhou,Guangdong 516003,China)

机构地区：[1]国家石油石化产品质量监督检验中心(广东),广东惠州516003

出　　处：《润滑油》2022年第4期39-44,共6页Lubricating Oil

基　　金：广东省市场监督管理局科研项目课题(2021CZ39)

摘　　要：该文论述了应用热重分析仪快速测定制动液蒸发损失的分析方法,考察了热重法的主要影响因素,通过正交实验确定了最佳实验条件,并对方法精密度进行了验证分析。结果表明,热重分析法具有快速高效,准确度高等优点,适合用于快速测定制动液样品蒸发损失。In this paper,an analytical method to rapidly determine the evaporation loss of brake fluids using the thermogravimetric analysis(TGA)technique was expounded.Main influence factors of the TGA technique were investigated,and the optimal test conditions were determined through orthogonal tests.Moreover,the accuracy of the TGA technique was verified.The results show that the TGA technique is featured with rapid,efficient and high accuracy,and is suitable for the rapid determination of the evaporation loss of brake fluids.

关 键 词：热重分析法 蒸发损失 制动液 

分 类 号：TE626.32[石油与天然气工程—油气加工工程]