About Us

Laboratory Capabilities

Our state-of-the-art laboratories are located in Vallejo, California, between San Francisco and the Napa Valley and in Naperville, Illinois not far from Chicago. We are staffed by professionals including:

Chemists – Analytical, Organic/Inorganic
Engineers – Mechanical, Tribology, Chemical
Certified Lubrication Specialists (CLS) Evaluators – Fuels, Lubricants, Maintenance
Technicians – Field Services, Laboratory
Administrators – Contract, Quality Assurance, Finance, Marketing
Research Associates – PhD, Project Managers

Herguth Laboratories, Inc. has a full complement of state-of-the-art testing equipment. All calibrated to the most demanding industry standards to provide you with quality decision data.

Laboratory Instrumentation and Techniques

Elemental Analysis and Particle Characterization

  • Analytical Ferrography, Ferrous Particle Quantification and Imaging
  • Inductively Coupled Plasma Spectroscopy (ICP)
  • Ion Chromatography
  • Microcoulometry
  • Microwave Digestion
  • Optical Microscopy Metallurgical/Biological
  • Scanning Electron Microscopy / Energy Dispersive Spectroscopy (SEM/EDS)
  • X-Ray Florescence (XRF)

Thermal and Oxidative Analysis

  • Bomb Calorimetry (Heat of Combustion)
  • Differential Scanning Calorimeter (DSC)
  • Oxidation Stability (Fuels/Lubricants)
  • Pressure Vessel Oxidation (RPVOT)
  • Quenching (oil)
  • Thermal Gravimetric Analysis (TGA)

Viscosity Characterization

  • Absolute Viscosity
  • Dynamic Viscosity
  • Kinematic Viscosity
  • Rheological Analysis

Separation, Chromatography

  • Ion Chromatography
  • Gas Chromatography


  • Flow through Cell FTIR
  • Fourier Transform Infrared Analysis (FTIR)
  • Refrigerant Analysis (Gas Cell)
  • Small Particle Analysis Attenuate Total Reflectance (ATR)
  • Solid and semi-solid Materials Attenuate Total Reflectance (ATR)

Wear Testing and Failure Analysis

  • Coefficient of Friction Analysis
  • Electrical Contact Resistance
  • Fretting Wear Analysis
  • Identification of Wear Mechanisms and Failure Modes
  • Pin on Disk Analysis (POD)
  • Pin and Vee Block
  • Static Friction Analysis
  • Wear Scar Analysis

Physical Property Testing and Classical Test Methods

  • Air Release Properties
  • Anti wear Additive
  • Conductivity
  • Corrosion Test
  • Dielectric Strength
  • Foam Characteristic
  • Fuel Dilution
  • Glycol Contamination
  • Karl Fischer Water
  • Nitration Levels
  • Oxidation Levels
  • Particle Counting
  • Rust Test
  • Soot Content
  • Sulfination Levels
  • Varnish Analysis
  • Voltammetric Antioxidant Analysis
  • Water Separability
  • ASTM, Federal Test Methods IP, DIN, many more..

Certifications and Affiliations


For more information call 1-888-HERGUTH (1-888-437-4884).