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Electrochemical Impedance Spectroscopy (EIS) Capability
Electrochemical Impedance Spectroscopy (EIS) Capability
At Subodh Material Technologists, we offer Electrochemical Impedance Spectroscopy (EIS) as part of our advanced corrosion and materials characterization services. EIS is a powerful, non-destructive technique used to study the electrochemical properties of materials and coatings, especially in aggressive environments.
What We Offer:
What We Offer:
High-precision impedance measurements across a wide frequency range
EIS testing of metals, coatings, alloys, and corrosion-resistant materials
Evaluation of corrosion behavior, protective coatings, inhibitors, and passivation
Analysis in various electrolytes (acidic, basic, saline, CO₂-saturated media, etc.)
Applications:
Applications:
Corrosion resistance testing of alloys and coatings
Quality assessment of surface treatments and inhibitors
Research and development for oil & gas, marine, automotive, and energy sectors
Life prediction and degradation analysis of materials in service environments
Technical Highlights:
Technical Highlights:
Frequency range: 10⁵ Hz to 10⁻² Hz
Customizable test environments (temperature, pressure, electrolyte)
Data modeling using equivalent circuit fitting and advanced analysis software
Whether you're looking to qualify new materials or troubleshoot corrosion failures, our EIS testing helps deliver deep electrochemical insight and predictive data to support design, manufacturing, and quality decisions.
Contact us to discuss your specific requirements or include EIS in your testing program.
Electrochemical and Corrosion Testing Capabilities
Electrochemical and Corrosion Testing Capabilities
We offer a wide range of standardized electrochemical tests to support material evaluation, corrosion studies, and product qualification. Below is a list of test methods we are capable of performing:
Electrochemical Impedance and Polarization Testing
Electrochemical Impedance and Polarization Testing
ASTM F2129 – Test Method for Conducting Cyclic Potentiodynamic Polarization Measurements to Determine the Corrosion Susceptibility of Small Implant Devices
ASTM G59 – Test Method for Conducting Potentiodynamic Polarization Resistance Measurements
ASTM G5 – Reference Test Method for Making Potentiodynamic Anodic Polarization Measurements
ASTM G61 – Test Method for Conducting Cyclic Potentiodynamic Polarization Measurements for Localized Corrosion Susceptibility of Iron-, Nickel-, or Cobalt-Based Alloys
ASTM G150 – Electrochemical Repassivation Measurement for Chromium-Depleted Regions
ISO 16773 (Parts 1–4) – Electrochemical Impedance Spectroscopy (EIS) for Coated and Uncoated Metals
ASTM F3044 – Guide for Testing Passive Corrosion Films Using Scanning Reference Electrode Technique (SRET) and Scanning Vibrating Electrode Technique (SVET)
Galvanic and Pitting Corrosion Testing
Galvanic and Pitting Corrosion Testing
ASTM G71 – Guide for Conducting and Evaluating Galvanic Corrosion Tests in Electrolytes
ASTM G69 – Test Method for Measurement of Corrosion Potentials of Aluminum Alloys
ASTM G102 – Practice for Calculation of Corrosion Rates and Related Information
Corrosion Behavior in Simulated Environments
Corrosion Behavior in Simulated Environments
ASTM G100 – Guide for Conducting Cyclic Galvanostaircase Polarization
NACE TM0104 – Laboratory Test to Evaluate Corrosion Inhibitors for Oilfield Applications (EIS and LPR)
NACE TM0169 – Laboratory Corrosion Testing of Metals in the Presence of Strong Acids
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