BASIC PATCH
TEST
PATCH
FERROGRAPHY
MICROSCOPIC
PARTICLE
COUNT
GRAVIMETRIC
ANALYSIS
PARTICLE MICRO
PATCH IMAGING
(PMPI)
FILTERABILITY
PORE BLOCK-
AGE PARTICLE
COUNT
MEMBRANE
PATCH
COLORIMETRY
(MPC)
Related Standards
SAE ARP 4285 ASTM D7684 ISO 4407 ISO 16232-6 16232 7&8 ISO 13357 BS 3406
Pending ASTM
Standard
ASTM D7670 ASTM F312-08
ASTM D4898
- 90
ISO 21018
FTM 3012/3 FTM-3009 ISO 4405
Non-quantitative
Indication of Total
Solids
No No No Yes No No No Yes
Submicron
Particles
No No No Yes No Yes No Yes
Quantification of
Total Solids
No No No Yes No Yes No No
Soft Insolubles
Quantification
No No No Yes No No No Yes
Wear Debris No Yes Yes Yes Yes Yes Yes No
Elemental
Composition
No No No No No No No No
Visual Indication
of Solids
Yes Yes No Yes Yes No No Yes
Availability of
Test Method
(Commercial Labs
and Vendors)
Yes Yes Limited Limited Limited Limited Limited Yes
SEM/
EDX
ICP Spectroscopy
RDE
Spectroscopy
Sediment
Content
Optical Particle
Counting
Methods
Blotter Spot
Test
Ultracentrifuge
Ferrous Density
Tests
Related Standards
ISO
16232-8
ASTM D5185 ASTM D6595 ASTM D2273 ASTM D7647 None None None
ISO 11500
Non-quantita-
tive Indication of
Total Solids
No No No Yes No Yes Yes No
Submicron
Particles
Yes Yes Yes Yes No Yes Yes No
Quantification of
Total Solids
No No No Limited No No Limited No
Soft Insolubles
Quantification
No No No Yes No No Yes No
Wear Debris Yes Yes Yes No Limited Limited No Yes
Elemental
Composition
Yes Yes Yes No Yes No No No
Visual Indication
of Solids
Yes No No Yes Limited Yes Yes No
Availability of
Test Method
Limited Yes Yes Limited Yes Limited Limited Yes
ML
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July - August 2018
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5
Table 1. Oil Analysis Tests for Indicating the Presence of Ghost-rider Particles in Oil
