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| Matrix matching and internal standard -ICP-OES were used to determine silicon, manganese, phosphorus, chromium, nickel, molybdenum and copper in stainless steel |
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Received:October 16, 2018
Revised:December 27, 2018
Accepted:December 04, 2018
Published Online:May 27, 2019
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| DOI：doi:10.3969/j.issn.2095-1035.2019.02.013 |
| KeyWord:stainless steel; Inductively coupled plasma emission spectra (ICP-OES); Internal standard substance |
| Author | Institution |
| Luo Hai Xia |
BGRIMM MTC Technology Technical Co Ltd |
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| Abstract: |
| Dissolving stainless steel samples with HCl-HNO3 mixed with acid, using yttrium as internal standard material, drawing working curves with standard samples, and measuring with icp-oes. Under the selected operating conditions, the stainless steel standard sample was measured according to the experimental method. Relative standard deviation (n = 11) element mass fraction within the range of 0.01 ~ 0.10%, RSD < 5%, mass fraction > 1%, RSD < 1%. The method is simple and rapid, and the precision and accuracy are all in line with the requirements. This method was used to analyze the content of silicon, manganese, phosphorus, chromium, nickel, molybdenum and copper in stainless steel samples with satisfactory results. |
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