Spectroscopy and Spectral Analysis, Volume. 42, Issue 4, 1117(2022)
The Detection of Mercury in Solutions After Thermal Desorption-Enrichment by Energy Dispersive X-Ray Fluorescence
Figures & Tables(10)
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
Fig. 3. The optimization of the measure time
(a): Thermal desorption; (b): X-ray fluorescence analyzer
Table 1. Stability experiments
View tableView in ArticleTable 1. Stability experiments
测试次数 测试结果/(μg·mL-1) 1 0.046 2 0.045 3 0.047 4 0.047 5 0.048 6 0.048 7 0.047 8 0.045 9 0.050 10 0.044 11 0.049 SD/(μg·mL-1) 0.002 RSD/% 4.048
Table 2. The influence of interfering ions
View tableView in ArticleTable 2. The influence of interfering ions
测试结果/
(μg·mL-1)干扰离子浓度/(μg·mL-1) 0 0.5 5 1 0.052 0.050 0.051 2 0.050 0.053 0.047 3 0.054 0.048 0.047
Table 3. The recovery rate
View tableView in ArticleTable 3. The recovery rate
测试方法 1# 2# 3# 4# ICP-MS/(ng·mL-1) 0.557 0.061 ND 0.068 加标前/(μg·mL-1) ND ND ND ND XRF 加标后/(μg·mL-1) 0.050 0.049 0.047 0.051 加标回收率/% 100.7 98.9 94.3 102.6
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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
Paper Information
Category: Research Articles
Received: Apr. 6, 2021
Accepted: --
Published Online: Jul. 25, 2023
The Author Email: NI Zi-yue (807407542@qq.com)
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