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Interaction of Nitric Acid and Zn Intermetallides of Fe, Cr, Ni Obtained after Stripping Zn from EP823 Steel Solutions in Zinc

Year: 2016

Type: article

Abstract: Two samples of the steel EP823 solution in zinc were prepared. The samples were undergone to zinc vacuum distillation. X-ray analysis showed that the residue particles have a different structure and ratio of elements, depending on zinc residual content. Needle-type particles consist mainly of iron (over 60 wt%) and 9-12% of zinc. Sponge-type particles consist mainly of zinc (over 70%). Chromium localize in zinc-rich particles. In the nitric acid treatment (4 and 8 mole/l) and 6 hours boiling, from 60 wt% to 70 wt% of the sample passed into solution. X-ray spectrum analysis shows that the main phase of the insoluble residue is a solid solution of (Cr,Zn,Fe)O4.

Source: Procedia Chemistry

DOI: 10.1016/j.proche.2016.10.042

Authors: K.N. Dvoeglazov, A.Yu. Shadrin, M.A. Kuzin, E.Yu. Pavlyukevich, A.O. Makarov

Institutions: Rosatom (Russia), State Scientific Center - Research Institute of Atomic Reactors, "VNIINM" named after AA Bochvar

Language: English

Topic: Extraction and Separation Processes

Subfield: Metals and Alloys

Field: Materials Science

Domain: Physical Sciences

Open Access status: diamond

OpenAlex ID: W2557790629

FWCI:

Cites: 1

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