ASTM-D1298 -API-12b-(2017)e1- Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method- دانلود استاندارد

ASTM D1298: Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

 API 12b: Manual of Petroleum Measurement Standards (MPMS), Chapter 9.1

 ASTM-D1298 -API-12b-(Reapproved 2017)e1

and

ASTM-D1298 -API-12b-(Reapproved 2017)

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