Petroleum and Petrochemical Testing, N.

Intertek Caleb Brett

Intertek provides ASTM, ISO, IP and other test methods for the analysis of petroleum, petroleum refined products, and petrochemical feedstocks and products.

Petroleum & Petrochemical Test Directory

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Test DescriptionTest Method
NACE Corrosion, Corrosion ServicesTM0 172
NaphthalenesASTM D1840
Needle Penetration of Bituminous MaterialsIP 49
Natural Gas Composition 
Natural Gas Liquids Testing 
Natural Gas Testing 
Natural Gas Analysis, GPA MethodsGPA 2261, 2286
Natural Gas Trace Metals 
Natural Gas: Liquefied Natural GasLNG
Neutralization Value of Mineral Insulating OilsBS 148
Nitrogen, BasesUOP 269, 313
Nitrogen by Oxidative Combustion, ChemiluminescenceIP 379
Nitrogen Content KjeldahlASTM D3228
Nitrogen Content, Boat Inlet ChemiluminescenceASTM D5762
Nitrogen Content, Syringe Inlet ChemiluminescenceASTM D4629
Nitrogen Oxides (as Nitrogen)BS 3903
Non Volatile Matter in Halogenated HydrocarbonsISO 7201-1
Noncondensable gasesASTM D2504
Non-Volatile Matter (Residue of Evaporation)ASTM D1353, D2109
Non-Volatile ResidueASTM D1025
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