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  • Porous discs for use in fabrication of special glass apparatus. Available in F, M, C and XC porosities. Pressure Limits: Fritted glassware is designed for low pressure vacuum filtration or gas flow. The MAX differential pressure should not exceed 15 PSI. Thermal Limits: Fritted glassware…

  • Glass Beads, Borosilicate, Soda Lime

    DWK Life Sciences (Kimble)

    Solid Borosilicate (5663F29 to F47) With diameters selected within a tolerance of ±0.5 mm Kimax brand specific gravity is 2.23 Soda Lime Glass (5663L13 - L31) Made of soda lime glass, specific gravity is 2.49, approximately spherical In 1 lb. packages …

  • With finger type condenser and Newman type stopcock for reflux control. Stopcock manifold and reflux stopcock can be used to isolate head from receiver so that receiver contents can be removed without disturbing the vacuum in the system. Both column joint and receiver joints are 24/40. Thermometer…

  • Heavy wall pressure vessels have an internal thread for use with PTFE bushings as pressure seals. The unique design allows hand tightening and loosing for easy access into the vessel. O-ring is positioned on the bushing above the thread for improved sealing. Vessels are useful for pressure…

  • Ace Glass pressure tubes and bottles are the premier glass pressure vessels in the industry. Flat-bottomed bottles are rated at 60psi at room temperature while our tubes are rated at 150psi at as much as 120 degrees C. Due to varying conditions, Ace ca

  • 3 to 6 mm in diameter Diameter tolerance is ±0.75 mm PYREX solid glass beads are useful for packing in distillation columns, mixing beads and boiling stones. Beads are packaged in 0.45 kg (1 lb) boxes, which have a packing volume of approximately 360 cm 3 or 22 cubic inches.

  • Replacement vapor duct tube for Buchi rotary evaporators. The 45mm length fits V assemblies and the 160mm length fits A assemblies. End joints are available in [ST] 29/32, [ST] 24/40, or [ST] 29/42 inner. The middle joint is tooled to fit the specific rotary evaporator for which it was designed.…

  • Process pipe end cap 1/2" through 6".

  • Synthware Inlet Adapters

    Kemtech America

    Synthware inlet adapter with a standard taper inner joint. Design allows introduction of reactants below the surface. The serrated hose connections have an O.D. of 10 mm.

  • Straight adapter with the addition of a 75 degree side arm. Top and side are outer joints, inner joint bottom.

  • Apparatus provides a convenient and accurate method for the determination of the concentration or purity of active metals and metal hydrides. Metals and metal hydrides that can be analyzed in this manner include borane-methyl sulfide complexes, borane tetrahydrofuran, sodium and lithium as…

  • Schlenk filter tube with an integral glass filter disc at the tube's mid-line and featuring two sidearms with either a glass stopcock or a 0-3 inlet valve. Paired top and bottom inner joints.

  • Made of borosilicate glass Contains minimal heavy metals and is practically free from fluorine and alumina Strong, yet soft and pliable Suitable as a filtering medium due to its low alkali content Maximum service temperature 500°C Fiber diameter 0.008 mm

  • Glass Joints


    Pyrex Standard Taper Connecting Tubes (5738E14) Arms are approximately 75° apart Equipped with inner Standard Taper joints that are both 24/40 Often used as a still head adapter Still Head Standard Taper Connecting Tubes (5738H82 and L18) Sidearm is at an angle…

  • Micro impinger designed for sampling of small volumes of air at low jet velocity, as per EPA Method 6. Impinger bottle is graduated from 5 to 30mL in 5mL subdivisions. Both the bottle and stopper have 24/40 standard taper joints. The nozzle being replaced with an extra coarse fritted gas dispersion…

  • Porous fused quartz discs. Porosity sizes are as listed and differ from porosities of borosilicate discs.

  • Borosil® Polished Glass Solid Stirring Rods are constructed from smooth, low-expansion, low-extractable borosilicate glass. Their mechanical strength, excellent heat resistance, and outstanding chemical compatibility make them the perfect general use stirrer. Borosil® Glass Stirrers…

  • For easy separation of water from reaction or distillation system.

  • One Pound Plastic Jars Chemical Resistant Glass Balls

  • Vigreux style column with indentations that run the entire length of the column for improved vapor-liquid contact. Column length refers to the effective length, measured from the lowest to highest indent in the column. Column has a top outer and lower inner standard taper joint.

  • Adapter has a Nylon compression cap and a Viton o-ring to form a vacumm tight seal. Cap accommodates 5.0 - 7.5mm O.D. thermometer or gas inlet tube. To use it as a syringe port, simply replace the o-ring with a PTFE-lined septum. Supplied with one Nylon cap and one Viton o-ring.

  • Luer, Bottom drip Adapter with or without flow regulator valve for use with ACE threaded columns. Shallow taper at upper end minimizes mixing below the packing support. Supplied with one FETFE O-Ring and one replaceable polyethylene packing support. For replacement packing support, either…

  • Borosilicate Glass Rods

    Friedrich & Dimmock

    Popular sizes in convenient packages Lengths are approximately 4', in packs of 10 lbs. Assortment pack contains each size glass rod, in the following quantities.

  • Borosilicate Glass Stir Rods

    GSC International, Inc.

    Borosilicate Glass with Fire Polished Ends

  • Design permits the cleaning of four NMR tubes at the same time. With solvent in the reservoir, rapid suction wets the inside of the NMR tube dislodging the contamination. An acetone wash followed by an air stream dries the tube in seconds. Rate of cleaning is approximately 4 tubes per minute. The…

  • Adapter has a #7 or #15 Chem-Thread at the top for vacuum tight seal of plain stem thermo-meters or any other tube having an O.D. between 4 and 7mm. Supplied complete with a Celcon® compression cap and Viton o-ring.

  • Glass stir blades for 10mm OD button type stir shafts. 10mm OD stir shafts can be found in our 8068, 8070, 8074 and 8075 series.

  • Similar to our larger units but is designed for carrying out reactions on a small scale, volumes of 5-15mL. Reactor body is fabricated of borosilicate glass with #25 Ace-Thred at top, 14/10 outer side joint externally threaded to allow an O-RING-CAP-SEAL connection with mating inner joint, and…

  • Adapter allows standard single neck round bottom flasks to be used as storage vessels. Sampling can be accomplished by removing 0-4mm Chem-Vac™ Chem-Cap® plug while maintaining inert gas purge thru sidearm. Available with a choice of 14/20 or 24/40 standard taper inner joint.

  • Reservoirs used for storing high performance, low pressure liquid chromatography mobile phase. Complete reservoir system includes a plastic coated graduated bottle, a standard cap assembly, and solvent and sparging filters. Cap assembly fits GL45 threaded bottles and has a PTFE bulkhead with three…

  • Disruptor Beads

    Scientific Industries

    Spherical lead free soda lime glass beads for use in disruption of bacteria, mammalian cells.

  • Glass Stirring Rod

    United Scientific Supplies

    Soft Glass Stirring Rod, both ends round.

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