Zi-yue NI, Da-wei CHENG, Ming-bo LIU, Yuan-bo YUE, Xue-qiang HU, Yu CHEN, Xiao-jia LI. The Detection of Mercury in Solutions After Thermal Desorption-Enrichment by Energy Dispersive X-Ray Fluorescence[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1117
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 4, 1117 (2022)
Fig. 1. The comparison of the spectrum for testing directly and after enrichment
Fig. 2. The test results after thermal desorption at different temperatures under three conditions
a : No mercury stabilizer, no dolomite; b : No mercury stabilizer, with dolomite; c : With mercury stabilizer, with dolomite
Fig. 3. The optimization of the measure time
(a): Thermal desorption; (b): X-ray fluorescence analyzer
(a): Thermal desorption; (b): X-ray fluorescence analyzer
Fig. 4. Relationship between magnification and injection volume
Fig. 5. The influence of injection volume
Fig. 6. The influence of pumping rate
Fig. 7. The calibration curve of mercury
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Table 1. Stability experiments
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Table 2. The influence of interfering ions
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Table 3. The recovery rate
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