Lead Rings

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Lead Rings
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  • Lead Rings

    Heathrow

    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.

  • 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…

  • 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…

  • 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.  

  • 300ul Low Retention Pipet Tips (Sterile/Non-Filtered), in 10 hinged racks of 96,…

    Denville

    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…

  • Low Retention Pipet Tips, 1000µl (fits P-1000), 1000µl, in 12 hinged racks of 70…

    Denville

    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…

  • Low Retention Pipet Tips, 10µl (fits P-2, P-10), 10µl, bulk packaging, Qty: 1000

    Denville

    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 and…

  • 300ul Low Retention Pipet Tips (Non-Sterile/Non-Filtered), in 10 hinged racks of…

    Denville

    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…

  • 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

  • "Wire" Lead Flask Weights with Vikem Vinyl Coating

    Bel-Art - SP Scienceware

    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 …

  • 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,…

  • Disposable L-Shaped Cell Spreaders

    Heathrow

    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.

  • Stainless Steel Cell Spreader

    Heathrow

    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

    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…

  • ALDRICH Tributyltin hydride, contains 0.05% BHT as stabilizer, 97%

    MilliporeSigma

    … 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

  • Digit Cushions

    Cramer

    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.

  • Finger Solutions

    Cramer

    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.

  • Tributyltin hydride, contains 0.05% BHT as stabilizer, 97%

    MilliporeSigma

    … 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: …

  • Disposable Inoculating Needle/Loops

    Heathrow

    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…

  • 4-Fluorophenethylamine, 0.99

    MilliporeSigma

    …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.

  • 4-Fluorophenethylamine, 0.99

    MilliporeSigma

    …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.

  • Scienceware® Ergopet® Powered Pipettors

    Bel-Art - SP Scienceware

    …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.

  • ALDRICH Diethyl chloromethylphosphonate, 97%

    MilliporeSigma

    …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

  • Consumables Kit for Agilent 7700x/e and 8000 Series ICP-MS

    Agilent Technologies

    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…

  • HM Spherical Heating Mantles

    BriskHeat

    …flasks on ring stand Zipper fastens upper and lower halves together 120VAC model includes 3” (76mm) lead wire with NEMA L1-15R connector and a 4-foot (1.2m) power adaptor cord with NEMA 1-15 plug. 240VAC model includes 3” (76mm) lead wire with no…

  • CellBIND® Microplates

    Corning

    …cell attachment leading to increased cell growth and yields Flat bottoms Non-reversible lids 6, 12, 24 or 96 well sizes Corning CellBIND microplates are surface treated for optimal cell attachment. Microplates feature non-reversible lids with condensation rings to reduce contamination.…

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