Determination of Si and P in MnZn Ferrites by Inductively Coupled Plasma Mass Spectrometry
ZHANG Ping1, FU Liang2*, NIE Xi-du1
1. College of Material and Chemical Engineering, Hunan Institute of Technology, Hengyang 421002, China 2. College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100, China
Abstract：An inductively coupled plasma mass spectrometry (ICP-MS) was developed for the determination of Si and P in MnZn ferrites. The sample was digested by HNO3+HCl with microwave digestion followed by dilution with ultrapure water then the above two elements in the solution were analyzed directly by ICP-MS. The analytical elements were by introducing the helium gas into the octopole reaction system (ORS) to eliminate the polyatomic interferences caused by the high salty matrixes. The matrix effects and the instrument drift could be commendably calibrated with Y as internal standard element. The working parameters of the instrument were optimized. The NIST SRM 362 and NIST SRM 364 were used as standard reference materials. The results showed a good agreement between the certified values and the experimental results for three analytes. The detection limits for Si and P is 0.91 and 0.27 μg·L-1.
Key words：Inductively coupled plasma mass spectrometry;MnZn ferrites;Octopole reaction system;Silicon;Phosphorus
张 萍1，符 靓2*，聂西度1 . ICP-MS法测定MnZn铁氧体中Si和P [J]. 光谱学与光谱分析, 2014, 34(03): 808-811.
ZHANG Ping1, FU Liang2*, NIE Xi-du1 . Determination of Si and P in MnZn Ferrites by Inductively Coupled Plasma Mass Spectrometry. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(03): 808-811.
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