IP 529: Determination of the freezing point of aviation fuels — Automatic laser method

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  • Method adopted/last revised: 2023
  • Method reapproved:
  • REF/ISBN:
  • Status: Current
  • First printed in STM books:

This standard describes a test method for the determination of the temperature below which solid hydrocarbon crystals form in aviation turbine fuels. This test method can be used over the temperature range of −80 to 20 °C, but the precision was only determined over the range 42 °C to −60 °C. The test method can be used to determine values outside this range but there is no precision for these values.

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