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Updated: Sep 10, 2025

Sulfate Separation by Selective Crystallization with a Bis-iminoguanidinium Ligand
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Sulfate Separation by Selective Crystallization with a Bis-iminoguanidinium Ligand

Published on: September 8, 2016

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カシテライトをクォーツから新しいコレクターで分離する 3- ((ドデシルチオ) プロピオン酸

Aoxiang Fei1,2, Ruiqi Xie1,2, Xun Wang3

  • 1Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China.

Langmuir : the ACS journal of surfaces and colloids
|August 20, 2025
PubMed
まとめ

新しい化学的コレクター,3-ドデシルチオ) プロピオン酸 (3-DTP) は,スチーン鉱石 (カシテライト) をクォーツから効果的に分離します. この収集器は,様々な条件において高い選択性と堅固な性能を示し,鉱物加工における亜鉛回収を改善します.

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
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Washing, Drying, and Ignition of Precipitates

After filtration, the precipitate is washed to remove coprecipitated impurities and any remaining mother liquor. Colloidal precipitates, such as silver chloride, are washed with an electrolyte (such as dilute nitric acid) to prevent the peptization of the precipitate. In the case of slightly soluble precipitates, the wash solution contains a common ion to reduce solubility. Lead sulfate, which is slightly soluble in water, is washed with dilute sulfuric acid. Similarly, wash solutions may be...
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