ASTM D7415-22
用傅里叶变换红外光谱法(FT-IR)趋势分析法对在用石油和碳氢化合物基润滑剂中硫酸盐副产品进行状态监测的标准试验方法
Standard Test Method for Condition Monitoring of Sulfate By-Products in In-Service Petroleum and Hydrocarbon Based Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry