Can CHENG, Da-qian HEI, Wen-bao JIA, Qing SHAN, Yong-sheng LING, Dong ZHAO. Study on Metallic Samples Determination Based on Prompt Gamma Neutron Activation Analysis Technique[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1928
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 6, 1928 (2022)
Fig. 1. Schematic diagram of the designed PGNAA system
(a): Top view; (b): Side view
(a): Top view; (b): Side view
Fig. 2. The background spectrum of system
(a): 450~1 000 keV; (b): 1 000~2 000 keV; (c): 2 000~4 500 keV
(a): 450~1 000 keV; (b): 1 000~2 000 keV; (c): 2 000~4 500 keV
Fig. 3. Prompt gamma-ray spectra and peaks fitting of the meatal samples
(a): Spectra of Fe; (b): Peaks fitting of Fe; (c): Spectra of Ti; (d): Peaks fitting of Ti; (e): Spectra of Cr; (f): Peaks fitting of Cr; (g): Spectra of Ni; (h): Peaks fitting of Ni; (i): Spectra of Cu; (j): Peaks fitting of Cu
(a): Spectra of Fe; (b): Peaks fitting of Fe; (c): Spectra of Ti; (d): Peaks fitting of Ti; (e): Spectra of Cr; (f): Peaks fitting of Cr; (g): Spectra of Ni; (h): Peaks fitting of Ni; (i): Spectra of Cu; (j): Peaks fitting of Cu
Fig. 4. The calibration curve of metal samples
(a): Fe; (b): Ti; (c): Cr; (d): Ni; (e): Cu
(a): Fe; (b): Ti; (c): Cr; (d): Ni; (e): Cu
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Table 1. Parameters and energies of prompt gamma-rays of Fe, Ti, Cr, Ni and Cu
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Table 2. Parameters of stainless steel standard samples
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Table 3. Detection efficiencies of HPGe detector for different samples
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Table 4. The MDL of different metal samples
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Table 5. Determination results of unknown stainless steel sample
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