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Petroleum Test Method Conversions

IP, EN, ISO and ASTM Test Method Comparisons
Intertek laboratories provide an extensive range of ASTM, IP and other petroleum and chemical testing capabilities on a global basis. The labs are staffed with experienced chemists with significant expertise in the analysis of petroleum and chemical products. Senior laboratory staff are involved in the ASTM D and IP methodology committees, helping develop and validate testing methods for use in the wider petroleum and chemical industries. Contact Intertek for more information.
Petroleum Measurement Unit EN Test IP Test ISO Test ASTM Test same ASTM Test similar
Aromatics % vol       nb. GC/MS ASTM D5769
Aromatics dm 3 /m 3          
Aromatics % vol   IP 156 ISO 3837 ASTM D1319  
Ash Content %m/m EN6245 IP 4 ISO6245 ASTM D482  
Benzene dm 3 /m 3 EN 12177 IP 425     ASTM D3606
Benzene % vol          
Carbon Residue (Micro) %m/m EN10370 IP 398 ISO10370   ASTM D4530
Cetane number None EN5165 IP 41 ISO5165 ASTM D613  
Cetane Index None EN4264 IP 380 ISO4264 ASTM D4737  
CFPP °C EN116 IP 309     ASTM D6371
Cloud Point °C EN23015 IP 219 ISO3015   ASTM D2500
Copper corrosion None EN2160 IP 154 ISO 2160 ASTM D130  
Density at 15 °C kg/l EN 3675 IP 160 ISO 3675 ASTM D1298  
Density at 15 °C kg/m 3 EN 12185 IP 365 ISO 12185   ASTM D4052
Distillation (Rec. or Evap. % Vol.) °C EN 3405 IP 123 ISO 3405   ASTM D86
Distillation, % Evap @ T°C %vol          
Distillation, I.B.P °C          
Distillation, F.B.P. °C          
Distillation, Loss %vol          
Distillation, Recovery % vol          
Distillation, Residue %vol          
Doctor test None   IP 30     ASTM D4952
Existent gums g/m 3 EN 6246 IP 131 ISO6246 ASTM D381  
Existent gums mg/100ml   IP 131   ASTM D381  
Flash Point °C EN22719 IP404 ISO2719   D93
Induction period (Oxstab) min. EN7536 IP 40 ISO 7536 ASTM D525  
Kinematic Viscosity @ t°C mm 2 /s EN3104 IP 71 ISO3104 ASTM D445  
Lead mg/l EN 237 IP 428     ASTM D3237
Lubricity um   IP 450 ISO12156   ASTM D6079
Mercaptans mg/kg   IP 342 ISO 3012   ASTM D3227
Octane No. Motor 0 EN 25163 IP 236 ISO 5163 ASTM D2700  
Octane No. Research 0 EN 25164 IP 237 ISO 5164 ASTM D2699  
Olefins % vol   IP 156 ISO 3837 ASTM D1319  
Olefins dm 3 /m 3          
Oxidation Stability g/m 3 EN12205 IP388 ISO12205 ASTM D2274  
Oxygen %m/m EN 1601 IP 408   nb. GC OFID ASTM D5599
Oxygenates % vol          
Particulate Contamination mg/kg EN12662 IP 440     ASTM D6217
Polycyclic Aromatic Hydrocarbons %m/m EN12916 IP 391 ISO6591    
Sulphur % mass or %m/m EN8754 IP336 ISO8754   ASTM D4294
Sulphur mg/kg EN14596 IP 447 ISO14596   ASTM D2622
Sulphur mg/kg   IP 490     ASTM D5453
Sulphur mg/kg EN 24260 IP 243 ISO4260 nb. Wickbold  
Vapor pressure. (RVP, ASVP, DVPE) kPa EN 13016 IP 394     ASTM D5191
Vapor pressure. (RVP, ASVP, DVPE) hPa or mb   IP 69 ISO3007   ASTM D323
Vapor pressure. (RVP, ASVP, DVPE) mm Hg or torr          
Vapor pressure. (RVP, ASVP, DVPE) kg/m 2          
Vapor pressure. (RVP, ASVP, DVPE) g/cm 2          
Water Content %m/m EN 12937 IP 348 ISO 12937   ASTM D6304
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