HENGAR 901100

In any laboratory procedure involving the boiling of a liquid, inert and insoluble, Hengar Granules effectively prevent super-heating with its attendant dangerous explosive vaporization commonly known as "bumping".

• 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