ISO 2598-1:1992

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Iron ores — Determination of silicon content — Part 1: Gravimetric methods

Published By	Publication Date	Number of Pages
ISO	1992-12	12

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Categories: 73.060.10 - Iron ores, ISO

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Description

The method is based on decomposition of the test portion by 1) sintering with sodium peroxide and treatment with hydrochloric and perchloric acids and treatment with dilute nitric acid, or 2) treatment with hydrochloric, nitric and perchloric acids, evaporation, filtration of silica with any residue, fusion with sodium carbonate and dissolution in hydrochloric and perchloric acids, in both cases evaporation of the solution, filtration of the precipitated silica, ignition, and weighing, treatment of the ignited residue with hydrofluoric and sulfuric acid, ignition, and reweighing. Applies to silicon contents between 1 % and 15 % in natural iron ores, iron ore concentrates and agglomerates, including sinter products.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	1992-12
Pages Count	12
Language	France
Edition	1
File Size	675.8 KB
ICS Codes	73.060.10 - Iron ores

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ISO 2598-1:1992

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