A certain amount of thiols is contained in light oils.Thiol can cause a foul smell and reduce the stability and quality of oils.Besides,thiol is corrosive itself.

• 轻质油品中都有不同含量的硫醇存在,不仅使油品产生恶臭,而且使油品的质量和安定性下降,硫醇还具有腐蚀性。