Skip to Menu Skip to Search Contact Us USA Websites & Languages Skip to Content

Expert laboratory testing services for the petroleum, natural gas, and petrochemical industries.

Oil, gas and chemical laboratory testing from SGS helps you to measure product quality, detect contamination issues and support research programs and projects.

We provide analytical testing for:

  • Crude oils, Crude oil assay
  • Refined petroleum fuels
  • Aromatics
  • Petrochemicals
  • Liquid petroleum gases (LPG)
  • Natural gas
  • Natural gas liquids
  • Lubricants
  • Additives
  • Refinery and chemical plant feedstocks
  • Intermediaries
  • Other related hydrocarbon products

Our services include:

  • Quality control testing
  • Trace analysis
  • Troubleshooting
  • Unknowns identification
  • Contamination analysis

We use ASTM, ISO, EN and other testing methods and protocols. Samples can be obtained by SGS field personnel or shipped by the customer directly to the SGS lab.

Petroleum, fuel and chemical testing capabilities

Gas chromatography


  • Supercritical fluid
  • Sulfur speciation
  • Mass spectrometer, GC/MS
  • Detailed hydrocarbon analysis
  • Simulated distillation
  • Chemical waste in fuel oil
  • PIONA, oxygenates, aromatics
  • Multi-dimensional GC
  • Component analysis, fixed gases


  • Mono-, di-, tri-, poly and total aromatics

Ion chromatography

  • Anions, halides (fluorine, chlorine)

Elemental analysis

  • ICP/MS for trace ppb-level
  • ICP & AA for ppm level
  • Mercury at ppt level
  • X-ray fluorescence (XRF)
  • Microcoulometer – chlorine
  • UV fluorescence – sulfur
  • Chemiluminescence - nitrogen
  • Trace metals analysis


  • Acid/base
  • H2S, mercaptan sulfur
  • Bromine index/number
  • Basic nitrogen, diene value
  • Water/moisture, salts, chlorides


  • Naphthalenes
  • Peroxides, carbonyls, inhibitors
  • Characteristic scans


  • ASTM, Saybolt, Pt-Co, APHA, Hunter, Minolta


  • Copper, silver, NACE


  • Atmospheric, vacuum, potstill
  • True boiling point (TBP)
  • Simulated by GC

Fuel engine testing

  • Research octane number (RON)
  • Motor octane number (MON)
  • Cetane number, derived Cetane Number
  • Supercharge rating

Scanning electron microscopy (SEM)

  • Metal wear, deposits

Differential scanning calorimeter

  • Melting, stability

Thermal gravimetric analysis

  • Phase study

Other Physical Testing Properties

  • Refractive index
  • Vapor pressure
  • Density, viscosity, lubricity
  • Auto-Ignition, flash point, fire point
  • Calorific value
  • Thermal and oxygen stability
  • Cleanliness – particle size distribution
  • Needle penetration
  • Aniline point
  • Volatility

Contact us today to find out more.