API MPMS 11.4.1 pdf download Manual of Petroleum Measurement Standards Chapter 11—Physical Properties Data Section 4—Properties of Reference Materials Part 1—Density of Water and Water Volumetric Correction Factors for Water Calibration of Volumetric Provers 1lntroduction This Standard specifies the density of water to be used in all applicable API MPMs Standards.It also specifies the vol-ume correction factor equation for water...