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Boiling Stones


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Boiling Stones

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.


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Supplier:  MilliporeSigma
Description:   Boiling chips for Kjeldahl digestion.

Supplier:  THERMO FISHER SCIENTIFIC CHEMICALS
Description:   For analytical work.

Supplier:  THERMO FISHER SCIENTIFIC CHEMICALS
Description:   These boiling stones have the appearance of green, irregular rocks.
New Product
Catalog Number: (700002-122)

Supplier:  Spectrum Chemicals
Description:   Boiling Chips, also known as boiling stones, are tiny pieces of an inert substance added to certain liquids to help them boil more calmly. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use. These materials may or may not have a Certificate of Analysis available.
Small Business Enterprise
Supplier:  Hengar
Description:   These plain granules effectively prevent super-heating of boiling liquids with the accompanying spasmodic, explosive formation of vapors.
Small Business Enterprise

Supplier:  Walter Stern
Description:   Solid glass beads, 6 mm.
Supplier:  Saint Gobain Performance Plastics
Description:   Ultra-pure, virgin PTFE chips.
Catalog Number: (26397-409)

Supplier:  Walter Stern
Description:   Treated, micro-porous, chemically inert carbon chips eliminate “bumping” in either aqueous or non-aqueous boiling liquids.
MSDS SDS
Catalog Number: (26398-004)

Supplier:  Walter Stern
Description:   Tabs are highly effective in controlling distillation of liquids with low boiling points.
Catalog Number: (43300-306)

Supplier:  Hengar
Description:   Hengar granules effectively prevent super-heating with its attendant dangerous explosive vaporization commonly known as "bumping".
Small Business Enterprise
Supplier:  Hengar
Description:   High purity, white, amphoteric alundum granules.
Small Business Enterprise

Supplier:  Honeywell Research Chemicals
Description:   Anti-bumping granules adsorbent filter aid has a particle size of 1 to 3 mm.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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