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Lubricant · test-method registry

Engine Oil standards

Each published test is connected to its cited method and relevant international, Indian and industry companion protocols.

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Every referenced test and method.

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Engine Oil tests, cited methods and companion protocols
Test / parameterMethods cited on product pageRelevant protocols in registryWhy the test matters
Kinematic viscosityASTM D445 / ISO 3104ASTM D445 · ISO 3104 · IS 1448 Part 25 Section 1 · IS 1448 Part 186 · DIN EN ISO 3104 · ASTM D2983 · ASTM D5293Screens grade change, dilution, oxidation, soot and shear.
Base numberASTM D2896 / ASTM D4739ASTM D2896 · ASTM D4739 · DIN ISO 3771Trends alkaline reserve using one consistent method.
Acid numberASTM D664ASTM D664 · ASTM D974 · IEC 62021 · IS 1448 Part 2 · DIN 51558Trends acidic constituents and chemical condition.
Wear metalsASTM D5185 ICP-OES with PQ/ferrography where requiredASTM D5185 · ASTM D7303 · IP 501 · IP 470 · ASTM D7690 · Direct-reading ferrous density · Analytical ferrography · Product-specific validated method · Ion chromatography · ICP-OESProvides element-specific wear evidence across particle-size limitations.
SootASTM E2412 / validated laboratory methodASTM E2412 · ASTM D7412 · ASTM D7414 · ASTM D7624Tracks combustion-derived carbon and dispersancy loading.
Fuel dilutionASTM D7593 / GC or validated methodASTM E2412 · ASTM D7593 · ASTM D4291 · Gas chromatographyAssesses unburned fuel that can reduce viscosity and film strength.
Water / glycolASTM D6304; ASTM D4291 / FTIRASTM D6304 · ASTM D1533 · IEC 60814 · ISO 3733 · ASTM D2709 · IS 1448 Part 182 · DIN 51777 · ASTM E2412 · ASTM D7412 · ASTM D7414 · ASTM D7624 · ASTM D7593 · ASTM D4291 · Gas chromatographyScreens coolant leakage, condensation and corrosion risk.
Oxidation / nitrationASTM E2412 FTIR trendingASTM E2412 · ASTM D7412 · ASTM D7414 · ASTM D7624Tracks molecular degradation relative to a suitable baseline.
63 applicable records

Method scope, role and issuing body.

Use the official link to verify status and edition. The summaries below explain diagnostic relevance without reproducing controlled method text.

ASTM · Test method

ASTM D445

Kinematic viscosity and viscosity classification

Measures resistance to flow at a stated temperature for grade confirmation, dilution, shear and oxidation assessment.

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ISO · Test method

ISO 3104

Kinematic viscosity and viscosity classification

Measures resistance to flow at a stated temperature for grade confirmation, dilution, shear and oxidation assessment.

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IS/BIS · Test method

IS 1448 Part 25 Section 1

Kinematic viscosity and viscosity classification

Measures resistance to flow at a stated temperature for grade confirmation, dilution, shear and oxidation assessment.

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IS/BIS · Test method

IS 1448 Part 186

Kinematic viscosity and viscosity classification

Measures resistance to flow at a stated temperature for grade confirmation, dilution, shear and oxidation assessment.

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DIN · Test method

DIN EN ISO 3104

Kinematic viscosity and viscosity classification

Measures resistance to flow at a stated temperature for grade confirmation, dilution, shear and oxidation assessment.

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ASTM · Test method

ASTM D2983

Kinematic viscosity and viscosity classification

Measures resistance to flow at a stated temperature for grade confirmation, dilution, shear and oxidation assessment.

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ASTM · Test method

ASTM D5293

Kinematic viscosity and viscosity classification

Measures resistance to flow at a stated temperature for grade confirmation, dilution, shear and oxidation assessment.

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ASTM · Test method

ASTM D664

Acid number and neutralisation number

Determines acidic or basic constituents by a defined titration system; results from different titration methods are not automatically interchangeable.

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ASTM · Test method

ASTM D974

Acid number and neutralisation number

Determines acidic or basic constituents by a defined titration system; results from different titration methods are not automatically interchangeable.

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IEC · Test method

IEC 62021

Acid number and neutralisation number

Determines acidic or basic constituents by a defined titration system; results from different titration methods are not automatically interchangeable.

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IS/BIS · Test method

IS 1448 Part 2

Acid number and neutralisation number

Determines acidic or basic constituents by a defined titration system; results from different titration methods are not automatically interchangeable.

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DIN · Test method

DIN 51558

Acid number and neutralisation number

Determines acidic or basic constituents by a defined titration system; results from different titration methods are not automatically interchangeable.

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ASTM · Test method

ASTM D2896

Base number / alkalinity reserve

Determines alkaline reserve in engine and cylinder lubricants using a selected titration chemistry that must remain consistent for trending.

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ASTM · Test method

ASTM D4739

Base number / alkalinity reserve

Determines alkaline reserve in engine and cylinder lubricants using a selected titration chemistry that must remain consistent for trending.

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DIN · Test method

DIN ISO 3771

Base number / alkalinity reserve

Determines alkaline reserve in engine and cylinder lubricants using a selected titration chemistry that must remain consistent for trending.

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ASTM · Test method

ASTM D6304

Water by Karl Fischer and product-specific methods

Quantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.

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ASTM · Test method

ASTM D1533

Water by Karl Fischer and product-specific methods

Quantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.

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IEC · Test method

IEC 60814

Water by Karl Fischer and product-specific methods

Quantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.

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ISO · Test method

ISO 3733

Water by Karl Fischer and product-specific methods

Quantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.

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ASTM · Test method

ASTM D2709

Water by Karl Fischer and product-specific methods

Quantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.

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IS/BIS · Test method

IS 1448 Part 182

Water by Karl Fischer and product-specific methods

Quantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.

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DIN · Test method

DIN 51777

Water by Karl Fischer and product-specific methods

Quantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.

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ASTM · Test method

ASTM D5185

Elemental analysis by ICP-OES

Determines dissolved and fine suspended elements for additive, contaminant and wear-metal assessment within sample-introduction and particle-size limitations.

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ASTM · Test method

ASTM D7303

Elemental analysis by ICP-OES

Determines dissolved and fine suspended elements for additive, contaminant and wear-metal assessment within sample-introduction and particle-size limitations.

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IP/EI · Test method

IP 501

Elemental analysis by ICP-OES

Determines dissolved and fine suspended elements for additive, contaminant and wear-metal assessment within sample-introduction and particle-size limitations. Determines catalyst-fine indicator elements in residual and distillate marine fuels using a method accepted by the governing marine-fuel specification.

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IP/EI · Test method

IP 470

Elemental analysis by ICP-OES

Determines dissolved and fine suspended elements for additive, contaminant and wear-metal assessment within sample-introduction and particle-size limitations. Determines catalyst-fine indicator elements in residual and distillate marine fuels using a method accepted by the governing marine-fuel specification.

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ASTM · Test method

ASTM D7690

Ferrous density and wear-particle morphology

Complements spectrometric analysis by responding to larger ferromagnetic debris or examining particle morphology and severity.

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OEM / laboratory · Screening / complementary method

Direct-reading ferrous density

Ferrous density and wear-particle morphology

Complements spectrometric analysis by responding to larger ferromagnetic debris or examining particle morphology and severity.

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OEM / laboratory · Screening / complementary method

Analytical ferrography

Ferrous density and wear-particle morphology

Complements spectrometric analysis by responding to larger ferromagnetic debris or examining particle morphology and severity.

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ASTM · Test method

ASTM E2412

Infrared lubricant condition monitoring

Uses FTIR spectra to trend oxidation, nitration, soot and selected contaminants against an appropriate reference and validated practice. Determines or screens volatile fuel and coolant markers using chromatography, infrared or a validated product-specific procedure.

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ASTM · Test method

ASTM D7412

Infrared lubricant condition monitoring

Uses FTIR spectra to trend oxidation, nitration, soot and selected contaminants against an appropriate reference and validated practice.

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ASTM · Test method

ASTM D7414

Infrared lubricant condition monitoring

Uses FTIR spectra to trend oxidation, nitration, soot and selected contaminants against an appropriate reference and validated practice.

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ASTM · Test method

ASTM D7624

Infrared lubricant condition monitoring

Uses FTIR spectra to trend oxidation, nitration, soot and selected contaminants against an appropriate reference and validated practice.

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ASTM · Test method

ASTM D7593

Fuel dilution and glycol contamination in used oil

Determines or screens volatile fuel and coolant markers using chromatography, infrared or a validated product-specific procedure.

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ASTM · Test method

ASTM D4291

Fuel dilution and glycol contamination in used oil

Determines or screens volatile fuel and coolant markers using chromatography, infrared or a validated product-specific procedure.

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OEM / laboratory · Screening / complementary method

Gas chromatography

Fuel dilution and glycol contamination in used oil

Determines or screens volatile fuel and coolant markers using chromatography, infrared or a validated product-specific procedure.

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ISO · Classification / guidance

ISO 6743-3

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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ISO · Classification / guidance

ISO 6743-4

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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ISO · Classification / guidance

ISO 6743-5

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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ISO · Classification / guidance

ISO 6743-6

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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ISO · Classification / guidance

ISO 6743-7

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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ISO · Classification / guidance

ISO 6743-9

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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ISO · Classification / guidance

ISO 6743-99

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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ISO · Product specification

ISO 11158

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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DIN · Product specification

DIN 51524-1

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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DIN · Product specification

DIN 51524-2

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.
DIN · Product specification

DIN 51524-3

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.
DIN · Product specification

DIN 51517-1

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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DIN · Product specification

DIN 51517-2

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.
DIN · Product specification

DIN 51517-3

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.
DIN · Product specification

DIN 51515-1

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.
DIN · Product specification

DIN 51515-2

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.
DIN · Product specification

DIN 51506

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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DIN · Classification / guidance

DIN 51502

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

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DIN · Product specification

DIN 51825

Lubricant families, classifications and product specifications

Classifies lubricant families and establishes application-specific minimum characteristics; it does not replace an OEM approval or in-service condition limit.

Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.
Industry / OEM · Classification / guidance

API 1509

Engine-oil performance classifications and viscosity grades

Defines performance categories, engine tests, chemical limits or viscosity grades used for engine-oil licensing and OEM selection.

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Industry / OEM · Classification / guidance

ACEA Oil Sequences

Engine-oil performance classifications and viscosity grades

Defines performance categories, engine tests, chemical limits or viscosity grades used for engine-oil licensing and OEM selection.

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Industry / OEM · Classification / guidance

SAE J300

Engine-oil performance classifications and viscosity grades

Defines performance categories, engine tests, chemical limits or viscosity grades used for engine-oil licensing and OEM selection.

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Industry / OEM · Product specification

JASO M355

Engine-oil performance classifications and viscosity grades

Defines performance categories, engine tests, chemical limits or viscosity grades used for engine-oil licensing and OEM selection.

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Industry / OEM · Product specification

ILSAC GF-7

Engine-oil performance classifications and viscosity grades

Defines performance categories, engine tests, chemical limits or viscosity grades used for engine-oil licensing and OEM selection.

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OEM / laboratory · Screening / complementary method

Product-specific validated method

Concentration, pH, conductivity and ionic profile

Uses the product specification and a validated density, refractive-index, electrochemical, ion-chromatography or elemental method to assess aqueous and specialty-fluid composition.

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OEM / laboratory · Screening / complementary method

Ion chromatography

Concentration, pH, conductivity and ionic profile

Uses the product specification and a validated density, refractive-index, electrochemical, ion-chromatography or elemental method to assess aqueous and specialty-fluid composition.

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OEM / laboratory · Screening / complementary method

ICP-OES

Concentration, pH, conductivity and ionic profile

Uses the product specification and a validated density, refractive-index, electrochemical, ion-chromatography or elemental method to assess aqueous and specialty-fluid composition.

Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.