IP 472: Determination of fungal fragment content of fuels boiling below 390 °C

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  • Method adopted/last revised: 2002
  • Method reapproved: 2019
  • REF/ISBN: IP472-2934869
  • Status: Current
  • First printed in STM books: December 2019


This standard describes a method for the collection of fungal fragments contained in a fuel sample and an estimation of their number.

Care must be taken to only count fragments of fungal origin and not any other fibres of non- microbiological origin; representative micrographs are provided in annex A to inform the operator on distinguishing between fungal fragments and other non-microbial fibres.

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