Teflon Stopper

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Teflon Stopper
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  • Teflon Stopper w / Septum

    Mettler Toledo

    Accessory for Karl Fischer C20 and C30 Series Titrators. Polytetrafluoroethylene (PTFE) stopper With septum disk

  • Labomed, Inc.’s cuvettes are essential items to use with all spectrophotometers. Our cuvettes offer reliable functioning in all spectrophotometer environments and uses, with a wide variety of sizes and specifications to meet any requirements. We offer standard, micro, semi-micro, ultra micro,…

  • Labomed, Inc.’s cuvettes are essential items to use with all spectrophotometers. Our cuvettes offer reliable functioning in all spectrophotometer environments and uses, with a wide variety of sizes and specifications to meet any requirements. We offer standard, micro, semi-micro, ultra micro,…

  • Labomed, Inc.’s cuvettes are essential items to use with all spectrophotometers. Our cuvettes offer reliable functioning in all spectrophotometer environments and uses, with a wide variety of sizes and specifications to meet any requirements. We offer standard, micro, semi-micro, ultra micro,…

  • Teflon® stopcock plug fits into the micro-finish barrel Plug reduces freezing problems and grease contamination

  • Serum Bottle Stoppers

    DWK Life Sciences (Wheaton)

    Available in Natural red rubber, gray butyl and Teflon® coated butyl 7, 13 and 20 mm sizes Stoppers come in a variety of elastomer formulations. Natural rubber is a general-purpose elastomer used primarily for aqueous liquid fill products in the 4.0-7.5 pH range. Its resealability is…

  • Labomed, Inc.’s cuvettes are essential items to use with all spectrophotometers. Our cuvettes offer reliable functioning in all spectrophotometer environments and uses, with a wide variety of sizes and specifications to meet any requirements. We offer standard, micro, semi-micro, ultra micro,…

  • Labomed, Inc.’s cuvettes are essential items to use with all spectrophotometers. Our cuvettes offer reliable functioning in all spectrophotometer environments and uses, with a wide variety of sizes and specifications to meet any requirements. We offer standard, micro, semi-micro, ultra micro,…

  • Replaceable tip, Teflon® stopcock and high-density polyethylene stopper Designed for long life and maximum safety Economical - reduces costs by providing replacement components Stopcock assembly features a simple screw thread locking nut and collar which ensure that the stopcock…

  • Labomed, Inc.’s cuvettes are essential items to use with all spectrophotometers. Our cuvettes offer reliable functioning in all spectrophotometer environments and uses, with a wide variety of sizes and specifications to meet any requirements. We offer standard, micro, semi-micro, ultra micro,…

  • These replacement 250mL PYREX® Squibb separatory funnels do not have a Teflon® valve assembly or glass stopper. For replacement glass Standard Taper stoppers, see No. 7650; for replacement Teflon® stopcock assemblies, see No. 7681.

  • Labomed, Inc.’s cuvettes are essential items to use with all spectrophotometers. Our cuvettes offer reliable functioning in all spectrophotometer environments and uses, with a wide variety of sizes and specifications to meet any requirements. We offer standard, micro, semi-micro, ultra micro,…

  • With Teflon ® stopcock plug Standard Taper ground neck has solid plug stopper of high-density polyethylene Designed for Federal Specification NNN-F-800

  • Teflon® stopcock plug and Standard Taper polyethylene stopper Stem length of 65 mm PYREX® borosilicate glass body

  • Scienceware® Safe-Lab® PTFE Stoppers

    Bel-Art - SP Scienceware

    Similar to 8771R10 series, but in standard taper joint sizes Conforms to ASTM Standard E 675 Use with boiling and distilling flasks

  • Cylindrical Cells End windows fused to cylindrical body, of far UV silica, range 170 to 2,600 nm With Teflon stopper; 10 mm and 20 mm have single neck, longer sizes have 2 necks Light path length and minimum sample volume given in listings

  • Capacity 3 1/2 gallons With 6-mm-bore, Teflon stopcock and overflow tube which takes 1/2” tubing Takes rubber stopper No. 11 1/2 Useful as a delivery/ storage container for solutions. Height 17 3/4”.

  • …compartments is much less than encountered in use of thermal blocks with regular cells.Tubing connections require entry ports in sample compartment. Usable range 170 to 2,600 mm; working capacity, 1.3 mL . Cell body is 12.5 x 12.5 x 48 mm high; overall height 60 mm. With Teflon® stopper.

  • VitroKit

    DWK Life Sciences (Wheaton)

    …Neoprene bushing; vacuum distilling adapter; 200 mm West condenser; 200 mm distilling column; 125 mL separatory funnel with Teflon ® stopcock plug; Teflon ® stopper; gas inlet tube; and five round bottom flasks, one each of sizes 25, 50, 100, 250 and 500 mL. Standard taper joints…

  • …used for absorption measurements through 10 mm light path Cells have all four sides and bottom polished; 8429N30 furnished with Teflon cover, N19 has a stopper; outside dimensions 12.5 x 12.5 x 45 mm. Matched sets are supplied in cushioned storage box. Usable spectral range is 170 to 2600 nm.

  • …stainless steel threaded cap provides a leak-proof closure without the energy-robbing alternatives like plastic flange screw caps or rubber stoppers. A Teflon O-ring prevents leakage, and can be cleaned with detergent and/or autoclaving, or replaced entirely between samples. Machined knurls on the…

  • …stainless steel threaded cap provides a leak-proof closure without the energy-robbing alternatives like plastic flange screw caps or rubber stoppers. A Teflon O-ring prevents leakage, and can be cleaned with detergent and/or autoclaving, or replaced entirely between samples. Machined knurls on the…

  • Durable white ceramic enameled scale Side filling tube has separate Teflon stopcock to control liquid; tube is 5/16 inch o.d. Calibrated to the accuracy requirements found in ASTM specification E 694 Kimax precision bore buret has a side filling tube with a separate stopcock to control liquid…

  • Stainless Steel Vacuum Manifold

    Thermo Scientific Nalgene

    …two-way valve and vent port Each outlet securely holds a No. 8 stopper and the stem filter funnel without interference Autoclavable Easy manipulation of individual funnels due to spacing of outlets. Teflon stopcock on each valve shuts off flow when fewer than three outlets are…

  • …in the collector chamber area. Optional Teflon®-coated collector chamber and coil is for processes involving corrosive compounds. A Stoppering Tray Dryer as well as domestic or international electrical configurations are also available. Required accessories include rotary vane direct…

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