Pan LIU, Jing-bin LI, Jian-hao ZHANG, Yi ZHANG, Guo-liang CHANG, Peng-fei HE, Bin-bin ZHANG, Xin-yao ZHANG. Determination of Phosphorus in Welding Flux by Inductively Coupled Plasma Atomic Emission Spectrometry With Ultrasonic Assisted Hydrochloric Acid Extraction[J]. Spectroscopy and Spectral Analysis, 2022, 42(9): 2824

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- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 9, 2824 (2022)

Fig. 1. Effect of spectral parameters on intensity
(a): Radio frequency power; (b): Nebulization gas flow; (c): Auxiliary gas flow; (d) Plasma gas flow
(a): Radio frequency power; (b): Nebulization gas flow; (c): Auxiliary gas flow; (d) Plasma gas flow

Fig. 2. Typical analytical spectrum of calibration solution (a) and actual sample solution (b)
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Table 1. Analytical lines of phosphorus
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Table 2. Determination results of phosphorus in actual sample and certified reference materials of welding fluxes
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Table 3. Recovery rate test results

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