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ISO/TR 5756:2026

Petroleum and related products — Volumetric practice for estimating hydrocarbon and ethanol content in fuel ethanol and gasoline blends

Publication date:   Oct 8, 2026

General information

60.60   Standard published   Oct 8, 2026

ISO

ISO/TC 28/SC 7 Liquid Biofuels

Technical Report

75.160.20   Liquid fuels

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Scope

This document presents information on a volumetric practice used to estimate ethanol and hydrocarbon content in blends of fuel ethanol and gasoline. This practice is based on phase separation induced by a sodium chloride (NaCl) solution, allowing approximate observation of hydrocarbon fraction and aqueous fraction.
The approaches described in this document are intended for informational purposes only.

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PUBLISHED
ISO/TR 5756:2026
60.60 Standard published
Oct 8, 2026