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About This Item

 

Full Description

ISO 16232-7:2007 defines methods for determining the size and number of contaminant particles, which have been extracted from components and deposited on the surface of a membrane filter, as determined by using either a light optical microscope (LM) or a scanning electron microscope (SEM). The result of this measurement is the particle size distribution on the membrane filter.

As the function of parts and components can be impaired by the presence of a single or a few critical particles, a complete analysis of the total membrane filter surface is essential.

These analyses can be performed either manually or fully automatically using Image Analysis (IA) techniques if the appropriate equipment is available.

 

Document History

  1. ISO 16232:2018


    Road vehicles - Cleanliness of components and systems

    • Most Recent
  2. ISO 16232-9:2007


    Road vehicles - Cleanliness of components of fluid circuits - Part 9: Particle sizing and counting by automatic light extinction particle counter

    • Historical Version
  3. ISO 16232-7:2007

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    Road vehicles - Cleanliness of components of fluid circuits - Part 7: Particle sizing and counting by microscopic analysis

    • Historical Version
  4. ISO 16232-8:2007


    Road vehicles - Cleanliness of components of fluid circuits - Part 8: Particle nature determination by microscopic analysis

    • Historical Version
  5. ISO 16232-10:2007


    Road vehicles - Cleanliness of components of fluid circuits - Part 10: Expression of results

    • Historical Version
  6. ISO 16232-1:2007


    Road vehicles - Cleanliness of components of fluid circuits - Part 1: Vocabulary

    • Historical Version
  7. ISO 16232-2:2007


    Road vehicles - Cleanliness of components of fluid circuits - Part 2: Method of extraction of contaminants by agitation

    • Historical Version
  8. ISO 16232-3:2007


    Road vehicles - Cleanliness of components of fluid circuits - Part 3: Method of extraction of contaminants by pressure rinsing

    • Historical Version
  9. ISO 16232-4:2007


    Road vehicles - Cleanliness of components of fluid circuits - Part 4: Method of extraction of contaminants by ultrasonic techniques

    • Historical Version
  10. ISO 16232-5:2007


    Road vehicles - Cleanliness of components of fluid circuits - Part 5: Method of extraction of contaminants on functional test bench

    • Historical Version
  11. ISO 16232-6:2007


    Road vehicles - Cleanliness of components of fluid circuits - Part 6: Particle mass determination by gravimetric analysis

    • Historical Version