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Electrochemical Quartz Crystal Microbalance (EQCM)

The Electrochemical Quartz Crystal Microbalance (EQCM) is a high-precision electrochemical analysis technique that monitors real-time mass changes at the material surface during corrosion or deposition processes, combined with electrochemical signals to precisely analyze dynamic surface changes. EQCM provides a scientific basis for material corrosion research, surface deposition process optimization, and protective coating performance assessment, ensuring the reliability and durability of materials and equipment in complex environments.

Read:22+ Date:2025-04-25 16:14:29 Author: DTI
Ding & Testing Inspection: Precisely Revealing Material Corrosion Behavior to Optimize Corrosion Resistance
The Electrochemical Quartz Crystal Microbalance (EQCM) is a high-precision electrochemical analysis technique that monitors real-time mass changes at the material surface during corrosion or deposition processes, combined with electrochemical signals to precisely analyze dynamic surface changes. EQCM provides a scientific basis for material corrosion research, surface deposition process optimization, and protective coating performance assessment, ensuring the reliability and durability of materials and equipment in complex environments.
Service Introduction
The Electrochemical Quartz Crystal Microbalance (EQCM) is a high-precision analytical instrument that combines electrochemical technology with the high-sensitivity mass detection capability of a quartz crystal microbalance. By monitoring minute mass changes at the material surface during corrosion or deposition processes, EQCM can provide real-time insights into dynamic surface behavior. This technique is not only applicable to corrosion studies of metallic materials but also to the analysis of deposition processes of protective coatings, formation mechanisms of electrochemical deposition films, and surface reactions of biosensors.
Testing Methods
The Electrochemical Quartz Crystal Microbalance (EQCM) uses advanced quartz crystal sensors in conjunction with an electrochemical workstation to ensure accurate and reliable test results. Common testing methods include:
  • Mass Change Monitoring: Real-time monitoring of mass changes at the material surface through frequency changes in the quartz crystal, with precision down to the nanogram level.
  • Electrochemical Signal Synchronization: Combined with an electrochemical workstation, it synchronously records electrochemical signals such as potential and current to analyze the electrochemical behavior during corrosion or deposition processes.
  • Dynamic Analysis: Long-term monitoring to analyze the dynamic mass changes of materials at different stages of corrosion or during deposition processes.
  • Surface Reaction Mechanism Study: Revealing the corrosion or deposition mechanisms at the material surface through the correlation analysis of frequency changes and electrochemical signals.
  • Coating Performance Assessment: Monitoring mass changes of protective coatings in corrosive media to evaluate their durability and integrity.
Industry Pain Points
In practical applications, materials and equipment often face complex corrosive environments, such as marine, industrial, and acidic conditions. Corrosion not only reduces the service life of materials but can also lead to structural failure and safety hazards. Additionally, optimizing surface deposition processes and evaluating the performance of protective coatings pose challenges, as traditional methods struggle to monitor real-time, quantitative mass changes at the material surface. Therefore, developing a technique that can monitor these dynamic surface changes with high precision is crucial.
Service Scope
Ding & Testing Inspection's services cover a wide range of applications for the Electrochemical Quartz Crystal Microbalance (EQCM), including but not limited to:
  • Metal materials (e.g., carbon steel, stainless steel, aluminum alloy, copper alloy)
  • Corrosion-resistant coatings (e.g., paint coatings, electroplating layers, anodized films)
  • Industrial equipment (e.g., pipelines, storage tanks, reactors)
  • Marine engineering facilities
  • Aerospace and automotive components
Application Fields
Our Electrochemical Quartz Crystal Microbalance (EQCM) services are widely applied in the following industries:
  • Aerospace
  • Automotive manufacturing
  • Marine engineering
  • Chemical industry
  • Construction engineering
  • Electronics and electrical appliances
  • Energy sector
Testing Standards
The Electrochemical Quartz Crystal Microbalance (EQCM) strictly adheres to the following international and domestic standards:
  • ASTM E2409-18: Standard test method for electrochemical quartz crystal microbalance
  • GB/T 31706-2015: Method for corrosion testing of metals and alloys - Electrochemical impedance spectroscopy
  • ISO 16773-1:2017: Corrosion of metals and alloys - Electrochemical impedance spectroscopy - Part 1: General guidelines
  • GB/T 10125-2021: Salt spray testing for artificial atmosphere corrosion testing
What We Offer
Through these standards, we address:
  • Real-time monitoring of mass changes during corrosion or deposition processes
  • Revelation of corrosion or deposition mechanisms at the material surface
  • Assessment of the durability and integrity of protective coatings
  • Optimization of electrochemical deposition processes
By choosing Ding & Testing Inspection, you will receive:
  • Professional testing services with advanced EQCM equipment and a skilled technical team for precise monitoring of surface mass changes.
  • High-precision mass analysis through frequency changes in quartz crystals, with real-time monitoring down to the nanogram level.
  • Dynamic corrosion and deposition analysis through long-term monitoring.
  • Compliance with international standards such as ASTM, GB, and ISO.
Contact Us
Contact Ding & Testing Inspection to let our expert team provide top-tier solutions for your metal material corrosion issues. We offer exceptional service for both technical consultation and on-site testing.
About Ding & Testing Inspection
Founded by industry veterans, Ding & Testing Inspection adheres to international standards (ISO/ASTM/ASME/JIS/GB/EN/API) for testing, appraisal, and evaluation. With a world-class corrosion lab, we've gained recognition from top clients in various sectors. Our reputation and client satisfaction are solid in corrosion, material failure analysis, and energy material inspection.

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  • A. DTI has a comprehensive range of instruments and equipment, as well as numerous engineers with over 10 years of experience.

    B. We offer consultative services with a broad industry scope, tailoring solutions to meet customer needs.

    C. We provide one-stop technical services in the environmental field, with dedicated personnel throughout the process, allowing customers to stay informed about the progress of their reports in real time.

  • A. Normally, we will issue a report within 5-7 working days after receiving the samples.

    B. To expedite the report issuance and eliminate extensive manual processing steps, DTI employs collaborative efforts across multiple departments and utilizes automated sample handling technology for certain types of samples, making the reports faster and more accurate.

    C. For clients who urgently need the report, expedited services are available.

    D. The report issuance time varies depending on the specific type of product, and you can consult with our online customer service for details.

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  • The specific standards vary depending on the testing items. Please consult online customer service for details.

  • Our company promises that all test data obtained from the experiment are true and valid, and will not maliciously alter or falsify the test data. If any customer has any questions about the test data obtained from the experiment, please contact our technical staff, and our company will conduct a free re-inspection for the customer. If the data obtained after the replicated test are the same as the results of the initial test, our company will not change the test results. If they are different from the results of the initial test, our company will conduct multiple experiments on the samples during this period, and finally determine the results. Stable experimental data is used as the final test result.

  • Due to the large amount of standard information and other reasons, many customers may not know what items need to be tested. In this case, we could provide customers with recommendations for related projects, but the customers are required to provide the following information:

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DTI is devotional on providing services for metal comprehensive testing. Among the testing services, DTI has more advantage at implementation of various corrosion resistance tests for different type of materials. The range of testing capability includes the analysis of metal composition and metal metallographic, mechanical performance and metal corrosion resistance testing, failure analysis, R & D analysis, and product quality assessment etc.

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We provide professional inspection, testing, analysis for upstream and downstream supply chain of various industries, which covers industrial manufacturing, chemicals, offshore engineering, oil & gas, wind power, hydrogen energy, nuclear power, automotive structures, metals and minerals, equipment manufacturing, construction machinery, aerospace, etc.

We are committed to providing impartial, fair, accurate, and timely professional testing services nearly 20 provinces in China.

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