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Composition of multicomponent heracleum extracts and its effect on flotation of gold-bearing sulfides

  • Mineral Dressing
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Abstract

Using the proprietary method, the authors have obtained flotation agent BO—extract of atomized leaves and stalks of Heracleum sosnowskyi (hogweed), and analyzed its composition. Qualitative tests, thin-layer chromatography (TLC), ultraviolet spectrophotometry and flotation tests show that aqueous and organic extracts contain substances that differ in chemical and process properties. The article gives test results for aqueous, alcoholic and aqueous–alcoholic extracts BO used as modifiers in chalcopyrite and pyrite flotation. Selective properties of aqueous and aqueous–alcoholic extracts BO are characterized. The highest depression ability relative to pyrite is a characteristic of aqueous BO extract obtained at pH = 3, with heating and treatment in ultrasonic bath. Organic extracts contain mostly furocoumarins, aspic oils and resins, and have no material effect on flotation activity of pyrite.

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Authors and Affiliations

  1. Institute of Integrated Mineral Development—IPKON, Russian Academy of Sciences, Kryukovskii tupik 4, Moscow, 111020, Russia

    T. A. Ivanova, T. N. Matveeva, V. A. Chanturia & E. N. Ivanova

Authors
  1. T. A. Ivanova
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  2. T. N. Matveeva
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  3. V. A. Chanturia
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  4. E. N. Ivanova
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Correspondence to T. A. Ivanova.

Additional information

Original Russian Text © T.A. Ivanova, T.N. Matveeva, V.A. Chanturia, E.N. Ivanova, 2015, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2015, No. 4, pp. 151–157.

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Ivanova, T.A., Matveeva, T.N., Chanturia, V.A. et al. Composition of multicomponent heracleum extracts and its effect on flotation of gold-bearing sulfides. J Min Sci 51, 819–824 (2015). https://doi.org/10.1134/S1062739115040190

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  • DOI: https://doi.org/10.1134/S1062739115040190

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