Volume 65 Issue 6
Jul.  2021
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LI Ying, LI Bentao, HUANG Hui, GONG Chen, LIU Xia. Development of a Reference Material for Composition Analysis of Selenium in Water[J]. Metrology Science and Technology, 2021, 65(6): 49-53. doi: 10.12338/j.issn.2096-9015.2020.0008
Citation: LI Ying, LI Bentao, HUANG Hui, GONG Chen, LIU Xia. Development of a Reference Material for Composition Analysis of Selenium in Water[J]. Metrology Science and Technology, 2021, 65(6): 49-53. doi: 10.12338/j.issn.2096-9015.2020.0008

Development of a Reference Material for Composition Analysis of Selenium in Water

doi: 10.12338/j.issn.2096-9015.2020.0008
  • Available Online: 2021-06-08
  • Publish Date: 2021-07-08
  • A reference material for composition analysis of selenium in water was developed by using the gravimetric-volumetric method on the basis of determination of the high-purity selenium and with high-purity selenium, high-purity hydrochloric acid, and triple purified water as raw materials. The homogeneity and stability of the developed reference material were examined by using the F test and the linear fitting method, respectively. The results showed that the reference material has good homogeneity and short-term and long-term stability, with the standard value of 1000 μg/mL and the relative expanded uncertainty of 1% (k=2). The ICP-OES method was used to compare the reference material with another domestic reference material, demonstrating the accuracy and traceability of the value of the reference material.
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