Hengar Boiling Granules - 136AA Plain Micro (100g)
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High purity, white amphoteric alundum granule. Extremely hard porous surface. Will not crumble or "powder." Ten mesh granule size. Specific 3.97.
In any laboratory procedure involving the boiling of a liquid, inert and insoluble. Hangar Granules effectively prevent super-heating with its attendant dangerous explosive vaporization commonly known as "bumping."
A few Hangar Granules in any boiling liquid permit a steady copious stream of bubbles to escape without the spasmodic splatter. Evaporation or distillation proceeds quietly and smoothly. Sharper fractions result. Flask breakage is reduced and watching time is minimized. Froth is spread out evenly and does not climb the neck of the flask. Especially useful in boiling soap solutions and evaporating ethereal extracts of fat. With Hangar Granules in the vessel, any gases formed are extracted from the liquid quickly and completely.
Insoluble, Hangar Granules cannot contaminate the liquid. They remain at the bottom of the flask or breaker, permitting the liquid to be readily poured off. After use, the granules are simply discarded. Hangar Granules are also available with a pure selenium coating, for use in the Kjeldahl digestion and distillation method of organic nitrogen determination.
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