IP 634: Petroleum products - Determination of turbidity point and aniline point equivalent

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  • Method adopted/last revised:
  • Method reapproved: 2021
  • Status: Current
  • First printed in STM books: July 2019

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.

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