API MPMS CH 9.3
API MPMS CH 9.3, 6th Edition: Standard Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method
CDN $125.00
This publication was last reviewed and confirmed in 2026.
Standard Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method
Description
This document covers the determination, using a glass thermohydrometer and/or a separate (alternative temperature measuring device in conjunction with a series of calculations, of the density, relative density, or API gravity of crude petroleum, petroleum products, or mixtures of petroleum and nonpetroleum products normally handled as liquids and having Reid vapor pressures (ASTM D323) of 101.325 kPa (14.696 psia) or less. Values are determined at existing temperatures and corrected to 15 °C (or 60 °F) by means of a series of calculations and international standard tables.
** This version of the Standard is not current. Please check for Errata and Addendums **
Edition
6
Published Date
2026-01-31
Status
Current
Pages
26
Language
English
Format
Secure PDF
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Abstract
This document covers the determination, using a glass thermohydrometer and/or a separate (alternative temperature measuring device in conjunction with a series of calculations, of the density, relative density, or API gravity of crude petroleum, petroleum products, or mixtures of petroleum and nonpetroleum products normally handled as liquids and having Reid vapor pressures (ASTM D323) of 101.325 kPa (14.696 psia) or less. Values are determined at existing temperatures and corrected to 15 °C (or 60 °F) by means of a series of calculations and international standard tables.
** This version of the Standard is not current. Please check for Errata and Addendums **
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