Volume 65 Issue 12
Dec.  2021
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ZHANG Zaiping, WANG Yu. Determination of Arsenic and Cadmium in Powdered Rice by Inductively Coupled Plasma-Mass Spectrometry and Evaluation of the Uncertainty[J]. Metrology Science and Technology, 2021, 65(12): 60-65. doi: 10.12338/j.issn.2096-9015.2019.0427
Citation: ZHANG Zaiping, WANG Yu. Determination of Arsenic and Cadmium in Powdered Rice by Inductively Coupled Plasma-Mass Spectrometry and Evaluation of the Uncertainty[J]. Metrology Science and Technology, 2021, 65(12): 60-65. doi: 10.12338/j.issn.2096-9015.2019.0427

Determination of Arsenic and Cadmium in Powdered Rice by Inductively Coupled Plasma-Mass Spectrometry and Evaluation of the Uncertainty

doi: 10.12338/j.issn.2096-9015.2019.0427
  • Available Online: 2021-11-01
  • Publish Date: 2021-12-01
  • The microwave digest technique combined with inductively coupled plasma-mass spectrometry (ICP-MS) was used for the determination of arsenic and cadmium in powdered rice. The measurement uncertainty was evaluated by establishing a mathematical model. The measurement results of arsenic and cadmium in powdered rice were (0.182±0.012) mg/kg and (0.262±0.016) mg/kg, respectively, with the coverage probability of 95%. The major uncertainty components were from standard curve fitting and test solution measurement. The research method can be used for measurement of harmful elements in powdered rice by ICP-MS.
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