• 研究油酸为捕收剂浮选赤铁矿时,氟硅酸含铁硅酸脉石矿物选择性抑制作用。

    The selective depression of ammonium fluorosilicate on aegirite, an iron-containing silicate gangue mineral, in hematite flotation using sodium oleate collector was investigated.

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  • 氟硅酸HMCM-22分子筛进行了改性处理,采用程序升温脱附和吡啶吸附红外光谱法测定了其酸性。

    HMCM-22 zeolite was modified with ammonium hexafluorosilicate and characterized by temperature-programmed desorption of ammonia and pyridine adsorption infrared spectroscopy.

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  • 介绍了硅酸碳酸氢制备冰晶石工艺

    The new technology for the preparation of cryolite from fluosilicic acid and ammonium hydrocarbonate is introduced.

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  • 介绍了硅酸碳酸氢制备冰晶石工艺

    The new technology for the preparation of cryolite from fluosilicic acid and ammonium hydrocarbonate is introduced.

    youdao

  • 介绍了硅酸碳酸氢制备冰晶石工艺

    The new technology for the preparation of cryolite from fluosilicic acid and ammonium hydrocarbonate is introduced.

    youdao

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