Every referenced test and method.
| Test / parameter | Methods cited on product page | Relevant protocols in registry | Why the test matters |
|---|---|---|---|
| Concentration / active component | Product specification, density or refractive index | ASTM D4052 · ISO 12185 · IS 1448 Part 16 · IS 1448 Part 32 · IS 1448 Part 167 · DIN EN ISO 12185 · DIN 51757 · Product-specific validated method · Ion chromatography · ICP-OES | Confirms mixture strength and detects dilution or concentration. |
| pH | Product-specific ASTM / ISO method | Product-specific validated method · Ion chromatography · ICP-OES | Indicates acid-base condition, inhibitor state and contamination. |
| Conductivity / ionic contamination | Product-specific conductivity method | Product-specific validated method · Ion chromatography · ICP-OES | Screens dissolved ionic material and water quality. |
| Elemental / ion profile | ICP-OES, ion chromatography or product specification | ASTM D5185 · ASTM D7303 · IP 501 · IP 470 · Product-specific validated method · Ion chromatography · ICP-OES | Confirms inhibitors and detects contamination or component ingress. |
| Appearance / insolubles | Visual, gravimetric or filtration method | ASTM D893 · Documented laboratory filtration procedure | Screens precipitation, corrosion debris and foreign matter. |
| Urea concentration / density / refractive index | ISO 22241-2 | ASTM D4052 · ISO 12185 · IS 1448 Part 16 · IS 1448 Part 32 · IS 1448 Part 167 · DIN EN ISO 12185 · DIN 51757 · ISO 22241-1 · ISO 22241-2 · ISO 22241-3 · ISO 22241-4 · DIN 70070 · Product-specific validated method · Ion chromatography · ICP-OES | Confirms AUS 32 concentration and detects dilution, evaporation or incorrect product. |
| Biuret, aldehydes and insolubles | ISO 22241-2 analytical procedures | ISO 22241-1 · ISO 22241-2 · ISO 22241-3 · ISO 22241-4 · DIN 70070 · ASTM D893 · Documented laboratory filtration procedure | Controls SCR-deposit precursors and manufacturing-quality impurities. |
| Particle count / cleanliness | ISO 11500; reporting to ISO 4406 | ISO 11500 · ASTM D7647 · ISO 4406 · ISO 11171 · ISO 21018-4 | Quantifies solid-particle cleanliness where component clearances and servo reliability are sensitive. |
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 D4052
Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ISO 12185
Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.IS 1448 Part 16
Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.IS 1448 Part 32
Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.IS 1448 Part 167
Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.DIN EN ISO 12185
Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.DIN 51757
Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ISO 11500
Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ASTM D7647
Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ISO 4406
Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ISO 11171
Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ISO 21018-4
Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ASTM D5185
Elemental analysis by ICP-OESDetermines dissolved and fine suspended elements for additive, contaminant and wear-metal assessment within sample-introduction and particle-size limitations.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ASTM D7303
Elemental analysis by ICP-OESDetermines dissolved and fine suspended elements for additive, contaminant and wear-metal assessment within sample-introduction and particle-size limitations.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.IP 501
Elemental analysis by ICP-OESDetermines 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.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.IP 470
Elemental analysis by ICP-OESDetermines 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.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ISO 22241-1
AUS 32 / AdBlue qualityDefines AUS 32 quality characteristics and analytical procedures for urea concentration, impurities, handling and SCR-system compatibility.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ISO 22241-2
AUS 32 / AdBlue qualityDefines AUS 32 quality characteristics and analytical procedures for urea concentration, impurities, handling and SCR-system compatibility.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ISO 22241-3
AUS 32 / AdBlue qualityDefines AUS 32 quality characteristics and analytical procedures for urea concentration, impurities, handling and SCR-system compatibility.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.ISO 22241-4
AUS 32 / AdBlue qualityDefines AUS 32 quality characteristics and analytical procedures for urea concentration, impurities, handling and SCR-system compatibility.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.DIN 70070
AUS 32 / AdBlue qualityDefines AUS 32 quality characteristics and analytical procedures for urea concentration, impurities, handling and SCR-system compatibility.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.Product-specific validated method
Concentration, pH, conductivity and ionic profileUses 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.Ion chromatography
Concentration, pH, conductivity and ionic profileUses 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.ICP-OES
Concentration, pH, conductivity and ionic profileUses 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.ASTM D893
Appearance, insolubles and gravimetric contaminationUses documented visual, filtration or gravimetric procedures to screen foreign matter, insolubles and precipitated degradation products.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.Documented laboratory filtration procedure
Appearance, insolubles and gravimetric contaminationUses documented visual, filtration or gravimetric procedures to screen foreign matter, insolubles and precipitated degradation products.
Verify current edition ↗Verify the current edition, amendments, national adoption and contract applicability with the issuing body.