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Scope

1.1 This test method covers the determination of insoluble contamination in hydraulic fluids by gravimetric analyses. The contamination determined includes both particulate and gel-like matter, organic and inorganic, which is retained on a membrane filter disk of pore diameter as required by applicable specifications (usually 0.45 [mu]m or 0.80 [mu]m).

1.2 To indicate the nature and distribution of the particulate contamination, the gravimetric method should be supplemented by occasional particle counts of typical samples in accordance with Test Method F312.

1.3 The values stated in SI units are to be regarded as the standard.

1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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. For a specific warning statement, see 6.1.

Keywords

Aerospace fluids/propellants-hydraulic; Contamination-petroleum products; Filters/filter procedures-petroleum analysis; Gravimetric method; Insoluble matter content; Microscopic examination; Visual examination-petroleum products; insoluble contamination of aerospace hydraulic fluids, by gravimetric; analysis, test; ICS Number Code 75.120 (Hydraulic fluids)

To find similar documents by ASTM Volume:

05.02 (Petroleum Products and Lubricants (II): D3711 - D6122)

To find similar documents by classification:

75.120 (Hydraulic fluids Fluid power systems, see 23.100)

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