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Used Engine Oil analysis is conducted to check the current quality of oil being in use with engines. It is generally required whenever there is some malfunctioning or any harm occurred in engine and the results obtained from this test can reach the bud of the problem. Sometimes this test is only conducted to check whether lube oil is still good to continue using in engines. Through this test, we can find out if there is any mixing or additive content including water and metals, foreign particles etc.

Below is a list of tests and their standard methods in complete packages:

Used Engine Oil Testing Parameters and Test Methods
PARAMETERS TEST METHODS
Viscosity
Flash Point
Pentane Insolubles
WEAR METALS
Iron
Chromium
Nickel
Molybdenum
Aluminium
Copper
Tin
Lead
CONTAMINANTS
Silicon
Sodium
Soot Value
Soot %
Oxidation
Sulphate
Nitrates
Fuel
Water
ADDITIVES & LUBRICANT CONDITION
Magnesium
Calcium
Zinc
Phosphorus
Boron
TBN
ASTM D 445
ASTM D 92
ASTM D 893
ASTM D 5185







ASTM D 5185

Soot Meter

FTIR



ASTM D 95

ASTM D 4951




ASTM 2896

ADDITIONAL TEST BELOW MAY BE REQUIRED FOR SOME DETERMINANTS
PQ Index

PQ Analyzer