Boiling Stones

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Hengar Boiling Stones

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  • Carborundum #12 Boiling Granules

    Hengar

    Hard, bluish black, iridescent silicon carbide granule. No reduction characteristics. Oxidizes slowly at 800°C (1472°F). Twelve mesh granule size. Specific gravity 3.20. 5 year industry leading warranty In any laboratory procedure involving the boiling of a liquid, inert and…

  • Selenized Micro Boiling Granules

    Hengar

    High purity, amphoteric alundum, specially treated with selenium for use in determination of amino and cyanide nitrogen. Ten mesh granule size, iridescent bluish black color. Specific gravity 4.10. Selenium as a solid is relatively nontoxic. Its vapor or fumes are highly toxic. 5 year industry…

  • Plain Boiling Granules

    Hengar

    High purity, white, amphoteric alundum granule. Extremely hard porous surface. Will not crumble or "powder". Four mesh granule size. Specific gravity 3.97. 5 year industry leading warranty In any laboratory procedure involving the boiling of a liquid, inert and insoluble,…

  • Selenized Boiling Granules

    Hengar

    High purity, amphoteric alundum, specially treated with selenium for use in determination of amino and cyanide nitrogen. Four mesh granule size, iridescent bluish black color. Selenium as a solid is relatively nontoxic. Its vapor or fumes are highly toxic. TLV 0.2 mg/cubic meter. Specific gravity…

  • Plain Micro Boiling Granules

    Hengar

    High purity, white amphoteric alundum granule. Extremely hard porous surface. Will not crumble or "powder". Ten mesh granule size. Specific 3.97. 5 year industry leading warranty In any laboratory procedure involving the boiling of a liquid, inert and insoluble, Hengar Granules…

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