Lead Rings

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Lead Rings
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  • Lead Rings

    Heathrow Scientific

    Use rings to stabilize glassware and plasticware on shakers or immersed in water baths. Vinyl-coated lead rings will not mark or scratch bench tops or labware.

  • Scienceware® C-Shaped Lead Rings

    Bel-Art - SP Scienceware

    …pulling on end to expand ring id Vikem ® vinyl coating protects glassware Rings fit neatly around the neck of filtering flasks with side-arm tubing connections. No need to disconnect the tubing and possibly compromise the process. The open ring, made of lead and covered with vinyl…

  • Vinyl-Coated Lead Rings

    Argos Technologies

    …laboratory containers! Argos Technologies® lead ring weights are ideal for stabilizing glassware and laboratory containers during water immersion. The vinyl coating prevents scratching on labware or the benchtop. The "C" shaped rings have some flexibility for a more customized…

  • Closed Lead Rings

    Bel-Art - SP Scienceware

    Protect and stabilize expensive glassware with these Vikem® vinyl coated lead rings. Stabilize glassware immersed in water baths; reduces floating, breakage and chemical spills Bright red Vikem® vinyl coating Chemical-resistant Will not scratch flasks Available in five…

  • For XL3000i, Pipetman® and Other Leading Pipettors Low retention polymer technology Universal fit tips Clear, metal free RNase & DNase free Longer XL-10µl and 1000µl tips reach bottoms of tubes These tips are the latest in…

  • For XL3000i, Pipetman® and Other Leading Pipettors Low retention polymer technology Universal fit tips Clear, metal free RNase & DNase free Longer XL-10µl and 1000µl tips reach bottoms of tubes These tips are the latest in low retention polymer technology…

  • Lead Sheets with Vikem Vinyl Coating

    Bel-Art - SP Scienceware

    …extra weight is needed. Sheets may be bent into cylinders, "S" curves, "U" curves or twists to hold down various container types Vikem® vinyl coating prevents the lead from leaving marks on equipment Coated lead sheets are 2.2mm (0.085") thick

  • Weighted Holders

    Bel-Art - SP Scienceware

    …holders allow beakers or flasks to be secured and placed into a water bath with full access to the vessel opening. The Vikem® vinyl coated lead ring has been fitted with a stainless steel gripper. Four prongs firmly retain the vessel for safe, stable use in a water bath, without drifting,…

  • Scienceware® C-Shaped Lead Rings

    Bel-Art - SP Scienceware

    …by pulling on end to expand ring id Vikem ® vinyl coating protects glassware Rings fit neatly around the neck of filtering flasks with side-arm tubing connections. No need to disconnect the tubing and possibly compromise the process. The open ring, made of lead and covered with vinyl is…

  • Scienceware® Lead Ring Holder

    Bel-Art - SP Scienceware

    Space saving rack Holds 5-8 rings 7.5” D x 6.75”H Autoclavable Simple rack for organizing and storing with minimum space requirements. Holds rings with a minimum I.D. of 0.7”. Circular base is 7.5” diameter and 6.75” high.  

  • Extension Rings

    GSC International, Inc.

    These steel rings are intended to suspend flasks on a support stand. We offer multiple sizes. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the State of California to cause cancer, birth defects, or other reproductive…

  • Support Stand with Ring

    GSC International, Inc.

    …1/2"], 5 Rings [diameter 2", 3", 4", 5", 6"]   Our support stands and support rings are also sold individually.   PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are…

  • These lead weights can be coiled into a helix, spiral, cone or any irregular shape to stabilize vessels in a water bath. Flexible; versatile Coil around flasks, thread through handles or loop around bottle necks Coated with chemical resistant red Vikem® vinyl to protect glassware …

  • Stainless Steel Cell Spreader

    Heathrow Scientific

    Flame or Autoclave sterilizable Smooth triangular end makes spreading easy. The upturned end will not cut into agar. Use this spreader with 9cm plates. Handles measure 8" long.

  • Disposable Delta™ Cell Spreader

    Heathrow Scientific

    The delta-shaped head distributes pressure evenly for smooth spreading. Handle flexes slightly under pressure and is rippled for easy manipulation. Uniquely shaped spreading bar has an innovative edgeless design—no need to worry about tearing the agar. Sterile ABS spreaders are individually…

  • Smooth surface will not tear agar plate or disturb media layer. Acrylonitrilebutadiene- styrene (ABS) plastic. Come sterile for immediate use without flaming. Lot-to-lot traceability. Measures 146 x 38 mm; 4 mm diameter. Pack of 500.

  • … UN1993 Purity: 97% Density: 1.082g/mLat 25°C(lit.) Application: Radical promoted intramolecular cyclization leading to isoxazolo-benzaulene ring system. Vinyl tin fragment used in a synthesis of (+)-panepophenanthrin via biomimetic Diels-Alder dimerization. Storage: 2-8°C…

  • ALDRICH Ferrocene, 98%

    MilliporeSigma

    …cyclopentadienes and cyclopentanes; the derived ferrocenium salts find use as mild oxidants; replacement of one ring by arenes yields cationic complexes which undergo nucleophilic addition and substitution at the arene ring, leading to substituted arenes. Packaging: 5, 100, 500 g in glass bottle

  • …easy replacement. Lids are designed to fit on the gel boxes in only one direction and removing the lid disconnects power from the system. A drip ring on the lid recycles condensed buffer and prevents it from dripping directly onto the gel. The Enduro system makes casting gels easy. Simply snap…

  • Transfer bacterial cultures without risk of contamination with disposable needle/loops. Use loop end to uniformly streak gel surface; use needle for removal of colonies. Choose polypropylene (PP) needle/loops for more flexible handle use and acrylonitrile-butadiene-styrene (ABS) needle/loops for…

  • The world's first versatile, non-invasive solution for painful trigger finger. Developed by a leading Orthopedic Surgeon. Unique, patent pending cushioning ring relieves pressure on affected area so patients can resume daily activity.

  • The world's first versatile, non-invasive solution for painful trigger finger. Developed by a leading Orthopedic Surgeon. Unique, patent pending cushioning ring relieves pressure on affected area so patients can resume daily activity.

  • … 2-8C Beilstein Registry Number: 3587329 UNSPSC Code: 12352000 Application: Radical promoted intramolecular cyclization leading to isoxazolo-benzaulene ring system. Vinyl tin fragment used in a synthesis of (+)-panepophenanthrin via biomimetic Diels-Alder dimerization. Application: …

  • …as nucleophile in the synthesis of 2-amino-4-arylpyrimidine derivatives. It is suitable for use in the preparation of ortho-metalated primary phenethylamines having electron-releasing and electron-withdrawing groups on the aromatic ring, leading to complexes containing six membered palladacycles.

  • …as nucleophile in the synthesis of 2-amino-4-arylpyrimidine derivatives. It is suitable for use in the preparation of ortho-metalated primary phenethylamines having electron-releasing and electron-withdrawing groups on the aromatic ring, leading to complexes containing six membered palladacycles.

  • Cyclopropylamine, 0.98

    MilliporeSigma

    …cytochrome P450 enzymes by a mechanism involving initial one-electron oxidation at nitrogen followed by scission of the cyclopropane ring leading to covalent modification of the enzyme. It is a mechanism-based inhibitor of quinoprotein methylamine dehydrogenase from Paracoccus denitrificans.

  • …7230R50 Membrane/KCl kit, spare diaphragm, storage bottle and three O-rings. Cable Assemblies (7230R40, R42 and R44) Detachable leads for connecting 7230R35 Oxygen Temperature Probe With water-tight connector for attachment to meter Includes spare O-ring. 7230R42 and…

  • …Ergopet I, II and III Pipettors. This stand holds Ergopet Pipettors in a vertical position, and for additional stability a Vikem Vinyl Coated Lead Ring can be added to the base of the stand. The rugged blue ABS Ergopet Pipettor Weighted Base stabilizes the Ergopet Pipettors so they stand upright…

  • Allyl chloroformate, 0.97

    MilliporeSigma

    … ~27 C/11 mmHg(lit.) Density: 1.134 g/mL at 20 C(lit.) Refractive Index: n20/D 1.422(lit.) Storage: -20C Beilstein Registry Number: 773915 EC Number: 220-916-6 UNSPSC Code: 12352200 Application: Reagent employed in ring-expanding allylation leading to 1,4-cycloheptanediones.

  • …of cyclpentane and pyrrolidine derivatives via regioselective insertion reactions • Phosphorylation leading to P-containing cyclopropanes • Wadsworth-Emmons reactions • Ring expansion of zircnacycles via carbenoid insertion Packaging: 1 mL in glass bottle

  • Agilent ICP-MS Consumables Kits are designed to Agilent’s demanding specifications and can help to achieve the market-leading ICP-MS performance that our valued clients have come to expect. To maintain system performance, ensure that consumables are periodically replaced in accordance with…

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