A set of test device and test method was established to determine the carbonate content and the ratio of base number contributed by carbonates to the total base number of the detergent.

• 设计了测定润滑油金属清净剂中碳酸盐与酸反应放出二氧化碳的实验装置,建立了测定金属清净剂中碳酸盐含量及碳酸盐碱值占总碱值份额的方法;