ASTM F862-11
Standard Practice for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids

Standard No.
ASTM F862-11
Release Date
2011
Published By
American Society for Testing and Materials (ASTM)
Status
Replace By
ASTM F862-11(2017)
Latest
ASTM F862-11(2022)
Scope

On application of the hydraulic fluid within the mechanical fluidic system, the fluid may become contaminated with acid and chloride ion. Mechanical shearing of the hydraulic fluid in the presence of the minute quantity of water and residual amount of organic solvents, used in cleaning, may initiate formation of acid and chloride ion. Measurements are desired to control and maintain the cleanliness and non-corrosiveness of the fluidic system.

1.1 This practice covers the measurement of the pH and chloride ion of water extraction of aerospace hydraulic fluids.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

ASTM F862-11 history

  • 2022 ASTM F862-11(2022) Standard Practice for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids
  • 2017 ASTM F862-11(2017) Standard Practice for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids
  • 2011 ASTM F862-11 Standard Practice for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids
  • 1993 ASTM F862-93(2002) Standard Test Method for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids
  • 1993 ASTM F862-93(1998) Standard Test Method for pH and Chloride-ion Concentration of Aerospace Hydraulic Fluids



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