Pei-chao ZHENG, Yuan-jiang LUO, Jin-mei WANG, Qiang HU, Yang YANG, Xue-feng MAO, Chun-hong LAI, Chu-hui FENG, Yu-tong HE. Determination of Strontium in Strontium-Rich Mineral Water Using Solution Cathode Glow Discharge-Atomic Emission Spectrometry[J]. Spectroscopy and Spectral Analysis, 2022, 42(1): 272
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 1, 272 (2022)
Fig. 1. Schematic diagram of SCGD-AES experiment setup
Fig. 2. Emission spectra of the SCGD
(a): Blank solution; (b): Solution containing 50 mg·L-1 Sr
(a): Blank solution; (b): Solution containing 50 mg·L-1 Sr
Fig. 3. Effect of solution flow rate on SBR of Sr
solution concentration: 100 mg·L-1 Sr
solution concentration: 100 mg·L-1 Sr
Fig. 4. Effect of discharge current on SBR of Sr
solution concentration: 100 mg·L-1 Sr
solution concentration: 100 mg·L-1 Sr
Fig. 5. Effect of pH on SBR of Sr
solution concentration: 100 mg·L-1 Sr
solution concentration: 100 mg·L-1 Sr
Fig. 6. Stability of emission signals of 15 mg·L-1 Sr
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Table 1. Analytical response characteristics of SCGD-AES system for Sr
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Table 2. Comparison of Sr concentrations in mineral water determined by SCGD-AES and ICP-AES
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Table 3. Sr recoveries in mineral water
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