ISO 21493:2019
Petroleum products — Determination of turbidity point and aniline point equivalent

Standard No.

ISO 21493:2019

Release Date

2019

Published By

International Organization for Standardization (ISO)

Latest

ISO 21493:2019

Scope

This document specifies a method to determine the turbidity point of petroleum products based on distillates from crude oil. This document also specifies how to convert the turbidity point to an aniline point equivalent. This document describes a procedure using automated or automatic apparatus suitable for transparent samples with an initial boiling point above ambient temperature.

ISO 21493:2019 Referenced Document

• ISO 3170 Petroleum liquids - Manual sampling
• ISO 3171 Petroleum liquids; automatic pipeline sampling
• ISO 648 Laboratory glassware - Single-volume pipettes

ISO 21493:2019 history

• 2019 ISO 21493:2019 Petroleum products — Determination of turbidity point and aniline point equivalent