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Updated: May 17, 2026

Emission Spectroscopic Boundary Layer Investigation during Ablative Material Testing in Plasmatron
Published on: June 9, 2016
[Identification of irradiated abalone by ESR spectroscopy]
Yeping Song1, Chuanxian Wang, Zhenyu Yang
1College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China. songyeping86@163.com
Objective:
To establish an analytical method for the detection and identification of irradiated abalone by electron spin resonance spectroscopy.
Methods:
Electron spin resonance (ESR) was used to study the spectral characteristics of abalone and the characteristic peak for quantitation.
Results:
There were obvious different ESR spectra between unirradiated and irradiated abalone. The g factor for unirradiated abalone was 2.0055-2.0060, the g1 and g2 factor for irradiated abalone were (2.0027 +/- 0.0001) and (1.9994 +/- 0.0001), respectively. The ESR signal intensity of characteristic peak was positively correlated with absorbed dose in the range of 0.5 - 10 kGy, left peak was the characteristic peak for quantitation and the detection limit was < or = 0.5 kGy. It was difficult to quantitate when the absorbed dose was over 10 kGy. ESR characteristic peak and g factor were able to qualitatively determine the irradiation of abalone.
Conclusion:
ESR spectroscopy is an effective method to determine whether the abalone being irradiated or not.
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