Zirconium sand selection technology

Zirconium sand selection technology

The zircon sand selection technique is a commonly used method for separating and enriching zircon. It has extensive applications in fields such as earth science, materials science, and environmental science. This article will provide a detailed introduction to the basic principles, operational steps, and applications of zirconium sand selection technology.

1、 Basic principles of zirconium sand selection technology

Zircon sand selection technology is based on the density difference between zircon and zircon for separation and enrichment. The density of zircon is approximately 2.65 g/cm ³， And the density of zircon is about 4.6 g/cm ³， Therefore, zircon and zircon can be separated by density difference under specific conditions. The specific operation steps are as follows.

2、 Operation steps for selecting zircon sand technology

1. Sample preparation

Grind the sample into powder with a particle size of approximately 100 mesh. To avoid interference with the separation and enrichment process in the sample, it is recommended to avoid using metal utensils and grinding tools when preparing the sample.

2. Density gradient preparation

The density gradient is the core of zircon sand selection technology. The commonly used density gradient preparation methods include heavy liquid method and silica gel column method. Among them, the heavy liquid method is to mix solutions of different densities in a certain proportion to prepare a gradient of gradually increasing density, while the silica gel column method is to fill silica gel in the column and prepare a density gradient by mixing hydrochloric acid and sodium hydroxide of different concentrations.

3. Density gradient centrifugation

Slowly drip the prepared sample solution onto the density gradient and centrifuge it in an ultracentrifuge. The selection of centrifugation time and centrifugation speed should be adjusted based on the properties of the sample and the preparation method of density gradient.

4. Separation of zircon and zircon

After centrifugation, precipitation layers with different densities can be seen in the density gradient, where zircon and zircon will precipitate at different locations. Zircon and zircon can be separated by removing precipitation layers at different locations.

3、 Application of Zirconium Sand Selection Technology

The technology of selecting zircon sand has wide applications in fields such as earth science, materials science, environmental science, etc. For example, in geosciences, zircon bearing rocks and minerals can be enriched through zircon sand selection technology, so as to conduct zircon U-Pb Chronology research; In materials science, high-purity zircon materials can be prepared by selecting zircon sand technology; In environmental science, zircon can be separated and enriched by zircon sand selection technology, so as to conduct zircon isotope geochemistry research.

In summary, the selection of zircon sand technology is an important separation and enrichment technology with broad application prospects. I hope this article is helpful to you.

Zirconium sand selection technology

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