4175 4d

turbine) whether operated or not. rajapaito warna hk 4d D 4175 4 Summary of Test Method 4 1 A sample of new or used lubricating oil is mixed with pentane in a volumetric flask The oil solution is filtered through an 0 8-µm membrane filter The flask, funnel, and filter are washed with additional pentane to effect a complete transfer of particulates onto the