Stopper 38

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Stopper 38
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  • Snorkel Stopper Taper 38

    Glas-Col

    …the stopper is held in place by hand. On Glas-Col shakers, glassware holders automatically restrain the stopper. The non sticking, ground glass valve is backed with a stainless steel spring and a PTFE closure screw for maximum chemical resistance Fits standard Taper Stopper size: 38

  • Semi-Micro Cells with Black Walls and Teflon Stopper

    Labomed

    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,…

  • Funnel, Separatory, Squibb, with 1:5 PTFE Plug, Stopper

    Ace Glass

    European style funnel with new leak-tight, locking stopper that will not fall out during shaking or transportation. Outer ground joint at top is a Rodaviss joint. Stopper can be secured in top joint via cap and O-ring for a positive, leak-tight seal; n

  • PYREX® 4L Squibb Glass Separatory Funnel, Glass Standard Taper Stopper and…

    Corning

    …replacement for 6340-4L) These 4L PYREX® pear-shaped separatory funnels have glass No. 8 Standard Taper stopcocks and strong, hollow No. 38 Standard Taper glass stoppers. For replacement glass Standard Taper stoppers, see No. 7650; for stopcock plugs, see No. 7680; for retaining clips, see No. 7280.

  • PYREX® 4L Squibb Separatory Funnel, PTFE Product Standard Stopcock, Glass…

    Corning

    …8 Product Standard stopcocks and strong, hollow No. 38 Standard Taper glass stoppers. The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. For replacement glass Standard Taper stoppers, see No. 7650; for PTFE stopcock assemblies, see No.…

  • KIMAX Brand Joint Stoppers

    DWK Life Sciences (Kimble)

    Borosilicate, with penny head Conforms to ASTM Standard E 675 Size Standard Taper 13 has solid plug; size Standard Taper 38 has recessed bottom Standard Taper designation indicates the approximate diameter of the ground zone at its widest (gauging) point.

  • Tube, Test, Stoppered

    Ace Glass

    Test tube with interchangeable stopper; 24/40 stopper is hollow, other two solid.

  • PYREX® Polyethylene Standard Taper Stoppers

    Corning

    …PYREX® stoppers are made from linear high-density polyethylene and have closed bottoms to conform to Standard Taper stopper dimensions. The three rings on the plug provide an efficient seal. This improved design fully protects the neck in the event of accidental tipping. These stoppers may be used…

  • Key-Head Color-Coded Medium Length PTFE Stoppers

    DWK Life Sciences (Kimble)

    …resists freezing in ground glass joints Remove the colored polyethylene handle from the PTFE stopper before cleaning or exposing to temperatures above 80 °C Stoppers of sizes 9 through 22 are solid, and sizes 32 through 38 are hollow Designed from ASTM Specification E675  

  • PYREX® Standard Taper Hollow Glass Stoppers

    Corning

    …Grooves in the sides help prevent slippage. The flat top allows the stopper to stand on its head, which frees the user’s hand and minimizes potential contamination. This stopper is interchangeable with other common flask stoppers and fits all standard labware of comparable standard taper size.

  • Stopper, Flask Length, Pennyhead

    Chemglass

    All sizes are solid with the exception of the #38 (CG-3018-08) which is hollow.

  • PYREX® 2L Single Metric Scale Cylinders, Serialized/Certified Class A, Standard…

    Corning

    …with a Corning Certificate of Identification and Capacity, traceable to NIST standards. Useful as a mixing cylinder. Graduation markings are in durable white enamel. Each features a PYREX® No. 38 Standard Taper stopper. For replacement PYREX® Standard Taper stoppers, see No. 7650-38.

  • XX2004718

    MilliporeSigma

    Designed for use with Millipore stainless steel vacuum filter holders Stopper Size: No. 8 Hole I.D.: 9.5mm (3/8 in.) Silicone rubber construction

  • Funnels, Separatory, Globe Shaped, Large Capacity

    Chemglass

    Large capacity globe shaped separatory funnel with a choice of glass or PTFE stopcock. Stem length is approx. 130mm below the stopcock on all sizes. For replacement stoppers see CG-3018 for #38, CG-3000 for 45/50.

  • Flask Complete 4000 ml

    Corning

    …these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 38 Standard Taper pennyhead glass stoppers. The graduation line is sharp and permanent Large white block letters make the inscription easy to read …

  • Flask Complete 6000 ml

    Corning

    …these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 38 Standard Taper pennyhead glass stoppers. The graduation line is sharp and permanent Large white block letters make the inscription easy to read These…

  • Thomas Combustion Flask Replacements and Accessories

    Thomas®

    …without stopper or sample carrier. 6514F40 stopper fits the 500 and 1,000 mL flasks; glass hook tip on lower end; platinum sample carrier not included. Black paper sample wrappers (6514F70) absorb heat quickly for infrared ignition; die-cut from unsized paper; sample area 32 x 30 mm, with 8 x 38

  • Funnel 6000 ml

    Corning

    …Standard stopcocks and strong, hollow No. 38 Standard Taper glass stoppers. The PTFE plug fits into the micro-finish barrel The plug also reduces freezing problems and grease contamination For replacement glass Standard Taper stoppers, see No. 7650; for PTFE stopcock assemblies,…

  • Funnel 6000 ml

    Corning

    These 6L PYREX® pear-shaped separatory funnels have glass No. 10 Standard Taper stopcocks and strong, hollow No. 38 Standard Taper glass stoppers. For replacement glass Standard Taper stoppers, see No. 7650; for stopcock plugs, see No. 7680; for retaining clips, see No. 7280.

  • Thomas Ogg Combustion Flasks

    Thomas®

    …paper-wrapped sample. 6514F40 Stopper fits the 1,000 mL flask; glass hook tip on lower end; platinum sample carrier not included. 6514F70 Black Paper Sample Wrappers absorb heat quickly for infrared ignition; die-cut from unsized paper; sample area 32 x 30 mm, with 8 x 38 mm extending strip as…

  • Bent Vertical Hose Barb Vacuum Trap

    Ace Glass

    …below joint Thomas No. 1166W04 Trap, stopper, vacuum, bent vertical tube, 34/45, 38mm od outer²body, 16mm od inner/side tube, body length 250mm below joint Thomas No. 1166W05 Trap, vacuum, complete, bent vertical tube, 34/45, 38mm od outer²body, 16mm od inner/side tube,…

  • Crucible Holder

    Plasticoid

    For 25 mL porcelain Gooch crucibles A combination rubber stopper and crucible holder with glass funnel insert Dimensions 57 mm length, tapered from 38 mm diameter at top to 22 mm diameter at bottom; length of tapered portion 35 mm Fits 4948F21 and 4948H23 series Filter Flasks, 125 to…

  • General Purpose Distilling Apparatus

    Wilmad-LabGlass - SP Scienceware

    …distillation. They are useful for batch production of high purity water. Complete unit consists of a flask with a flat bottom and distillation head having Standard Taper 19/38 joint, Standard Taper Stopper, and Graham style 200mm long jacketed condenser with a Standard Taper 19/38 joint at top only.

  • Poly-Cone Universal Joint Adapter

    Bel-Art - SP Scienceware

    This precision-engineered adapter may be cut with a fine-tooth saw or sharp knife into various adapters, such as individual bushings, stirrer bearings, thermometer and gas inlet tube supports, drip-tips, funnels, trap connectors for tubing, etc. Forms a continuous standard taper inside and…

  • Parts & Accessories for R-Series Glass Reactors

    Across International

    Glass Condenser Port Hollow Stopper Glass condenser port hollow stopper specially made for Ai R series 10L, 20L, 50L and 100L glass reactors. Insulation Jackets High quality thermo insulation jacket with open/close viewing window and top/bottom adjustable drawstrings, specially designed…

  • 4-Liter Laboratory Blender

    Waring

    …rubber, non-skid feet keep the unit stable. The container is stainless steel with stainless steel blades and a stainless steel clamp-on lid with rubber gasket and stopper. Electrical rating is 120VAC, 50/60 Hz. A 240-volt model is available. Overall height is 26”, shipping weight is 38 lbs.

  • Socorex® Calibrex 525/530 Bottletop Dispensers

    DWK Life Sciences (Wheaton)

    …assembled Two-year warranty Supplied with 45 mm base thread, 120 mm delivery jet and stopper, 350 mm feed tube, alternative screw-type volume setting button, three bottle neck adapters (32, 38 and 40 mm), QC certificate and operating instructions. The dispensers are very easy to…

  • Shake Flasks

    DWK Life Sciences (Wheaton)

    …or reciprocating shakers Baffles improve aeration and mixing for microbial and bacterial cultures Break resistant lip for use with stopper, cotton plug or film cover Pinched neck design to reduce splashing on flasks with 4 baffles Autoclavable borosilicate glass that conforms…

  • Narrow Mouth HDPE Bottles

    Thermo Scientific Nalgene

    … Durable for long term use 4 mL bottles have a 13 mm closure size; 8, 30 and 60 mL bottles have a 20 mm closure size and also take standard serum stoppers; 125, 175 and 250 mL bottles have a 24 mm closure size; 500 mL bottles have a 28 mm closure size; 1,000 mL bottles have a 38-430 mm size.

  • Media Storage & Dispensing Flasks

    Bellco Glass

    …duty break resistant neck provides an excellent fit for rubber stoppers. All flasks are manufactured from Type 1 Class A Borosilicate Glass. Silicone tubing I.D. for hose connection on sizes 250mL to 2000mL is 3/8"; 4000mL & 6000mL is1/2". Note: Not for vacuum applications.

  • Aspirator Bottles

    DWK Life Sciences (Kimble)

    … Sizes 250 and 500 mL accept 5/16" I.D. flexible tubing, 1000 mL and larger accept 3/8: I.D. tubing. Kimax glass hose connection outlet is fused to the bottle. 250 mL bottle takes size 2 rubber stopper; 500 mL bottle takes size 4; 1L and 2L bottles take size 6; 5L bottle takes size 10 and 10L…

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