ISO/TR 19686-2:2018

Petroleum products — Equivalency of test method determining the same property — Part 2: Density of petroleum products

This document describes the evaluation to determine the equivalency of test methods used on a global scale in quality specifications of petroleum products, lubricants, and fuels. This document focuses on whether the standardized test methods for determining density are to be considered technically equivalent. This is to guide laboratories that use one standard test method and wish to know if they can also certify product towards the others