API MPMS Chapter 9 - Density Determination, Section 2-Standard Test Method for Density or Relative Density of Light Hydrocarbons by Pressure Hydrometer, Fourth Edition
API MPMS第9章-密度测定 第2节-用压力液体比重计测定轻烃密度或相对密度的标准试验方法 第四版
This test method covers the determination of the density or relative density of light hydrocarbons including liquefied petroleum gases (LPG) having Reid vapor pressures exceeding 101.325 kPa (14.696 psi).