The liquid sample is one of the most common types of samples submitted for analysis and comprises a vast array of pure compounds and solutions. As an example, several liquids are used in an automobile to sustain critical elements such as lubricating the engine or drive train and to supply mundane functions like washing the windows or generating electrical power. This paper will describe the analysis of JASCO傅立葉變換紅外光譜儀FT/IR-6000 JASCO FTIR-4000傅立葉變換紅外光譜儀 jascoRFT-6000傅立葉變換紅外拉曼光譜儀