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. |
| Microbial contamination | Dip-slide/culture, ATP or validated microbiological procedure | ASTM E2694 · Dip-slide / culture · ATP procedure | Detects bacterial and fungal growth relevant to metalworking-fluid stability, odour, corrosion and worker exposure controls. |
| 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. |
| Copper corrosion | ASTM D130; ISO 2160 | ASTM D130 · ISO 2160 · IS 1448 Part 15 · DIN EN ISO 2160 | Screens corrosivity toward copper-containing bearings, coolers, bushings and yellow-metal components. |
| Foaming tendency and stability | ASTM D892; ASTM D6082 where high-temperature sequence is relevant | ASTM D892 · ASTM D6082 · ISO 6247 | Screens air-handling behaviour associated with reservoir foaming, compressibility, oxidation and pump or clutch performance. |
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.
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Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
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Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
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Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
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Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
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Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
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Density and relative densityDetermines density for identity, quantity conversion, blending and compositional assessment using temperature-controlled instrumentation.
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Water by Karl Fischer and product-specific methodsQuantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.
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Water by Karl Fischer and product-specific methodsQuantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.
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Water by Karl Fischer and product-specific methodsQuantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.
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Water by Karl Fischer and product-specific methodsQuantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.
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Water by Karl Fischer and product-specific methodsQuantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.
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Water by Karl Fischer and product-specific methodsQuantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.
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Water by Karl Fischer and product-specific methodsQuantifies water by coulometric or volumetric Karl Fischer titration, or by the product-specific separation method named in the governing specification.
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Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
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Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
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Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
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Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
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Particle count and cleanliness codingCounts particles by a defined optical technique and reports concentration or a cleanliness code at stated size thresholds.
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Elemental analysis by ICP-OESDetermines dissolved and fine suspended elements for additive, contaminant and wear-metal assessment within sample-introduction and particle-size limitations.
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Elemental analysis by ICP-OESDetermines dissolved and fine suspended elements for additive, contaminant and wear-metal assessment within sample-introduction and particle-size limitations.
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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.
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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.
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Foaming tendency and stabilityDetermines surface-foam tendency and stability under prescribed air-flow and temperature sequences.
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Foaming tendency and stabilityDetermines surface-foam tendency and stability under prescribed air-flow and temperature sequences.
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Foaming tendency and stabilityDetermines surface-foam tendency and stability under prescribed air-flow and temperature sequences.
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Copper-strip corrosionRates corrosivity toward copper under defined immersion, temperature and comparison conditions; it does not measure in-service copper wear.
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Copper-strip corrosionRates corrosivity toward copper under defined immersion, temperature and comparison conditions; it does not measure in-service copper wear.
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Copper-strip corrosionRates corrosivity toward copper under defined immersion, temperature and comparison conditions; it does not measure in-service copper wear.
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Copper-strip corrosionRates corrosivity toward copper under defined immersion, temperature and comparison conditions; it does not measure in-service copper wear.
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Microbial contaminationUses a validated culture, dip-slide, ATP or microbiological procedure appropriate to the fluid, exposure and hygiene decision.
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Microbial contaminationUses a validated culture, dip-slide, ATP or microbiological procedure appropriate to the fluid, exposure and hygiene decision.
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Microbial contaminationUses a validated culture, dip-slide, ATP or microbiological procedure appropriate to the fluid, exposure and hygiene decision.
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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.
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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.
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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.
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Appearance, insolubles and gravimetric contaminationUses documented visual, filtration or gravimetric procedures to screen foreign matter, insolubles and precipitated degradation products.
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Appearance, insolubles and gravimetric contaminationUses documented visual, filtration or gravimetric procedures to screen foreign matter, insolubles and precipitated degradation products.
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