METHOD OF DETERMINING OXIDATION DEGREE OF FULLERENE CONTAINING MATERIAL, METHOD OF DETERMINING OXIDATION DEGREE OF LUBRICANT OIL, LUBRICANT OIL OXIDATION DEGREE DETERMINATION SET, AND DEVICE AND SYSTEM OF DETERMINING OXIDATION DEGREE OF LUBRICANT OIL

To provide a lubricant oil oxidation degree determination method capable of easily and quickly determining the oxidation degree of lubricant oil including base oil and fullerene, to provide a lubricant oil oxidation degree determination set capable of easily and quickly determining the oxidation degree of lubricant oil including base oil and fullerene, to provide a lubricant oil oxidation degree determination device capable of easily and quickly determining the oxidation degree of lubricant oil including base oil and fullerene, and to provide a system capable of easily and quickly determining the oxidation degree of lubricant oil including base oil and fullerene and of effectively preventing a trouble and a failure of the machine from occurring.SOLUTION: The lubricant oil oxidation degree determination method of determining the oxidation degree of lubricant oil including base oil and fullerene, is characterized by determining the oxidation degree according to the absorption spectrum of the lubricant oil in the UV region. The absorption spectrum in the wavelength of not shorter than 320 nm and not longer than 340 nm is preferably used.SELECTED DRAWING: Figure 12 【課題】基油およびフラーレンを含む潤滑油について酸化度を簡便で迅速に判定できる潤滑油の酸化度判定方法を提供すること、基油およびフラーレンを含む潤滑油について酸化度を簡便で迅速に判定できる潤滑油の酸化度判定セットを提供すること、基油およびフラーレンを含む潤滑油について酸化度を簡便で迅速に判定できる潤滑油の酸化度判定装置を提供すること、ならびに、基油およびフラーレンを含む潤滑油について酸化度を簡便で迅速に判定でき機械のトラブルや故障を効果的に防止することができるシステムを提供すること。【解決手段】本発明の潤滑油の酸化度判定方法は、基油およびフラーレンを含む潤滑油の酸化度を判定する方法であって、潤滑油の紫外領域における吸収スペクトルに基づいて、酸化度を判定することを特徴とする。波長３２０ｎｍ以上３４０ｎｍ以下における吸収スペクトルを用いることが好ましい。【選択図】図１２