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 μm or 0.80 μm).

Analysis Type (Application Method): Gravimetric

Link to ASTM® D4898-16 Method

Compatible Filters:

Vacuum glassware plus accessories. Forceps to handle filter membrane.


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