The technical information magazine The TRC News provides the latest information on analytical techniques that are useful for research and development, solving production troubles, and quality control.
**Abstract** Compared to the most common ESR measurements using X-band (9.5 GHz) microwaves, ESR measurements using higher frequency microwaves are effective for improving the resolution of ESR spectra and spectral analysis. This paper presents analysis examples of fluorine-based resins, diamond powders, silica glass, and luminescent powders using newly introduced X-band and Q-band (34 GHz) ESR equipment. **Table of Contents** 1. Introduction 2. Features of the New ESR Equipment 3. High-Temperature ESR Measurement Examples of Fluorine-Based Resins 4. Q-Band ESR Measurement Examples 5. Conclusion
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Technical Information Magazine The TRC News "Evaluation of Radicals and Metal Ions Using Multi-Frequency/High-Temperature ESR Equipment - Application to Fluoropolymer, Diamond Powder, Silica Glass, and Phosphor Powder -" [Abstract] Compared to the most common ESR measurements using X-band (9.5 GHz) microwaves, ESR measurements using higher frequency microwaves are effective for improving the resolution of ESR spectra and spectral analysis. This paper presents analysis cases of fluoropolymers, diamond powder, silica glass, and phosphor powder using newly introduced X-band and Q-band (34 GHz) ESR equipment. [Table of Contents] 1. Introduction 2. Features of the New ESR Equipment 3. High-Temperature ESR Measurement Cases of Fluoropolymers 4. Q-Band ESR Measurement Cases 5. Conclusion [Figures and Tables] Figure 1 Relationship between Frequency and Resolution of ESR Equipment Figure 2 ESR Spectrum of ETFE (Heated in Air) Figure 3 ESR Spectrum of O-Ring (Heated in Air) Figure 4 FT-IR Spectrum of Gases Evolved from ETFE (Heated in Air) Figure 5 ESR Spectrum of Diamond Powder Figure 6 ESR Spectrum of Boron-Containing Silica Glass Irradiated with Gamma Rays Figure 7 ESR Spectrum of Eu2+ Phosphor Powder
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At Toray Research Center, Inc., we provide technical support through analytical techniques and physical property analysis to address various challenges in research and development as well as production fields via contract analysis. Based on our long-standing achievements and extensive experience in analysis and physical property evaluation, we continue to strive to meet the advanced and diverse needs of our customers.
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