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CIQTEK is the manufacturer and global supplier of high-performance scientific instruments, such as Electron Microscopes, Electron Paramagnetic Resonance (Electron Spin Resonance), Gas Adsorption Analyzers, quantum sensors, quantum computers, etc.
Benchtop EPR Spectroscopy Best Price for sale
Benchtop EPR Spectroscopy Best Price for sale

X-Band Benchtop EPR Spectrometer | EPR200M

CIQTEK EPR200M is an X-band benchtop electron paramagnetic resonance/electron spin resonance (EPR or ESR) spectroscopy.

Based on its high sensitivity and stability, it offers an economical, low-maintenance, and user-friendly experience for EPR study and analysis.

 

*Accessories: Liquid nitrogen variable temperature with cryostat; 4 mm outer diameter sample tube; Goniometer; Light system; Electrolytic cell; Flat cell.

  • # Reliable & Stable
    High sensitivity, high accuracy, and high stability. Best Price.
  • # Easy-to-Use
    Integrated control software and data processing software.
  • # Portable
    Highly integrated, lightweight, and compact for desktop use.
  • # Easy Tuning
    Support manual and automatic tuning.
  • # Accurate Quantification
    Optional built-in standards for accurate g-value/g-factor and quantitative EPR measurements.
  • # Diverse Accessories
    Liquid nitrogen variable temperature with cryostat, 4 mm outer diameter sample tube, Goniometer, Light system, Electrolytic cell, Flat cell, etc
  • Integrated System Design
     

    The design integrates the optimized microwave, magnetic field, probe, and central control module, making the EPR machine easier to transport, space-saving, and adaptable to a broader range of test environments.

  • Superior Magnetic Field System
     

    Sweeping ranges: -100 to 6500 Gauss, with over-zero field scanning possible.

    Magnetic field: air-cooled and compact.

    Magnetic field scanning control tech: uniformity of better than 50 mG in the sample area, guaranteeing high-quality spectra.

  • State-of-the-art Microwave Technology
     

    Ultra-low noise microwave generation technology, combined with high-quality microwave probes and weak signal detection, guarantees the high sensitivity of the EPR spectrometer.

  • Professional EPR Spectra Analysis Service
     

    Experienced technical and application engineers provide professional services to help customers master the EPR analysis and attribution of EPR spectra, even for beginners.

EPR Application Fields

 

EPR in Chemicals

Study of structures of coordination compounds, catalytic reactions, free radicals detection, reactive oxygen species (ROS) detection, chemical kinetics (reaction kinetics), and small-molecule drugs.

 

EPR in Environmental Science

Environmental monitoring includes air pollution(PM2.5), advanced oxidation wastewater treatment, transition metals heavy metals, environmentally persistent free radicals, etc.

 

EPR in Materials Science

Single-crystal defects, magnetic material properties, semiconductor conduction electrons, solar cell materials, polymer properties, fiber optic defects, catalytic material detection, etc.

 

EPR in Biomedical

Research about antioxidant characterization, metalloenzyme spin labeling, reactive oxygen species (ROS) and enzyme activity characterization, occupational disease protection, nuclear radiation emergency medical rescue diagnosis classification, cancer radiotherapy irradiation, etc.

 

EPR in Food Science

Irradiation dose of agricultural products, beer flavor shelf life, edible oil rancidity detection, alanine dosimeter, antioxidant properties of food and beverage, etc.

 

EPR in Industrial

Coating aging research, cosmetic free radical protection factor, diamond trap identification, tobacco filter efficacy, petrochemical free radical quality control, etc.

 


EPR Application Cases

EPR Detection of Free Radicals

Free radicals are atoms or groups with unpaired electrons that are formed when a compound molecule is subjected to external conditions such as light or heat and the covalent bonds are split. For more stable free radicals, EPR can detect them directly and quickly. For short-lived free radicals, they can be detected by spin trapping. For example, hydroxyl radicals, superoxide radicals, single-linear oxygen light radicals, and other radicals produced by photocatalytic processes.

 

Paramagnetic Metal lons

For transition metal ions (including iron, palladium, and platinum group ions with unfilled 3d, 4d, and 5d shell respectively) and rare earth metal ions (with unfilled 4f shell), these paramagnetic metal ions can be detected by EPR spectrometer due to the presence of the single electrons in their atomic orbitals, thus obtaining the valence and structure information. In the case of transition metal ions, there are usually multiple valence states and spin states with high and low spins. Parallel modes in a two-mode cavity allow detection of the integer spin regime.

 

Conduction Electrons in Metal

The EPR line shape that conducts electrons is related to the size of the conductor, which is of great significance in the field of lithium-ion batteries. EPR can non-invasively probe the interior of the battery to study the deposition process of lithium in a close-to-real situation, from which the microscopic size of metallic lithium deposits can be inferred.

 

Vacancy

Vacancy is a concept in solid structural chemistry or materials science, which refers to a structure in which there are no atoms in a lattice position. Common vacancies include oxygen vacancies, carbon vacancies, nitrogen vacancies, and sulfur vacancies

 

Free Radical Pairs/Triplet States

For very short-lived species such as triplet states, transient EPR can be used to test.

 


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    Liquid Nitrogen Variable Temperature System

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    Liquid Nitrogen Dewar

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    Light System

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    Sample Standard

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    4 mm OD Sample Tube, Flat Cell

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    Goniometer

EPR Spectra Analysis: Parallel magnetic field signal of a diamond

 

EPR Spectra Analysis: Signal of TEMPOL after deaeration

 

EPR Spectra Analysis: Various free radical signals

 

EPR Spectra Analysis: Cu valence

CIQTEK EPR200M Delivered To National University Of Singapore

CIQTEK EPR200M Delivered to National University Of Singapore

CIQTEK X-Band Benchtop Electron Paramagnetic Resonance Spectroscopy EPR200M was successfully delivered to Prof. Chen's group at the National University of Singapore (NUS).

Read more >>

 

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