IP 316: Determination of heptane insolubles in used lubricating oils

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  • Method adopted/last revised: 1993
  • Method reapproved: 2005
  • REF/ISBN: IP316-2934869
  • Status: Current
  • First printed in STM books: January 1993

Scope

This standard describes a method for the determination of carbon, wear debris and other particulate matter, insoluble in heptane, in lubricating oils above the level of 0.10% (m/m).

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