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Metalux Lab: Test Methods and Instruments

Test Method


Minimum sample (ml)

Acid Number (AN)



Base Number (BN)

ASTM D4739

10 ml

Ferrography, Analytical

ASTM D7690 (modified)

10 ml

Ferrography, Direct Reading


10 ml

Flash Point Seta

ASTM D3828


IR % Soot Content

ASTM D7686

5 ml

Particle Count, Laser Block

ISO 4406 report


Elements in Oil, RDE-AES

ASTM D6595

10 ml

Spectroscopy FTIR

ASTM E2412

10 ml

Kinematic Viscosity

ASTM D7279

5 ml

Water by Karl Fischer

ASTM D6304

10 ml

Membrane Patch Colorimetry (MPC)

ASTM D7843

80 ml


ASTM D7590

5 ml


Lube Oil Analysis Services

lube oil condition monitoring

METALUX Lubricant Oil Condition Monitoring Package provides detailed information on the aspects of your lube oil and its property levels to judge its fitness for use.

lube oil cleanliness monitoring

Lube Oil Cleanliness tests check fluid cleanliness in terms of water and particulate contamination. While they are typically performed on in-service oil as part of predictive / proactive maintenance, they may also be used as a quality control tool for new lubricant oils.

machine condition monitoring

Ferrography Wear Particle Analysis, performed on a lubricant sample, provides the earliest detection of abnormal machine wear condition and pending failure of interacting machine parts due to tribology-related root causes, before the abnormal wear particles are ground down to sizes small enough to fall within the detection limits of atomicelement spectrometers (1 μm for atomic-absorption spectrometer, 3 μm for ICP atomic-emission spectrometer and 8 μm for RDE atomic-emission spectrometer) and before telling peaks and significant patterns in the vibration spectra become sufficiently discerning for detection by machine vibration monitoring and analysis.