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Boiling stones are unevenly-shaped substances that are added to liquids to stabilize. Chemically-inert, anti-bumping granules come in a variety of particle sizes. With a porous nature, boiling chips can successfully trap air in cavities to form solvent vapor bubbles continuously as long as the liquid remains at boiling point. Made of materials like silicon carbide or calcium carbonate, these chips provide nucleation sites to ensure smooth boiling and prevent bumping. Without the stones, liquids have a tendency to superheat then violently boil over. Boiling stones prevent intense reagent splattering, equipment damage, or the experiment being negatively impacted.
Kookstenen, BOLA
Supplier: Bohlender
Kookstenen, PTFE, voorkomt chemische spatten en de vorming van grote luchtbellen tijdens het koken van het medium. Korrelgrootte: 4 mm. Verpakt in hersluitbare zak. FDA-conform.
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VWR® Boiling Stones ('Anti-Bumping'), Granules
Supplier: VWR Chemicals
Granules of fused alumina, to reduce 'bumping' in boiling liquids.
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Boiling Stones for Analytical Work
Supplier: Thermo Fisher Scientific
For analytical work.
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Fluka™ Boiling stones ('Anti-Bumping'), granules 1-3 mm
Supplier: Honeywell Chemicals
Boiling stones, 1-3 mm, Plastic Bottle,
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Boiling stones
Supplier: Saint Gobain Life Sciences
Ultra-pure, virgin PTFE boiling stones promote gentle, efficient boiling and help prevent overheating, even of highly volatile liquids. Ideal for continous extraction methods. Stones minimise 'bumping' during reflux and distillation.
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