Single stage oil diffusion pump useful with manifolds such as AF-0450 through AF-0454. Will provide vacuum of 10 -5 torr, at a pumping rate of approx 8L/sec. Instead of the typical internal heating coil, boiler has a round bottom for use with CG-10000-02 or CG-12000-02 100mL heating mantle. Use of…

The neck finish allows for the use of the patented Poly Crimp™ Seals or standard aluminum seals. This vial is designed to work auto samples incorporating a robotic arm as well as other auto samplers. Choose from clear or amber borosilicate. The vial incorporates the unique Step Vial…

Pyrex® or Duran® borosilicate glass disc.Edges on all sizes are ground and chamfered.

Sleeve type stoppers with a hollow plugs and sleeve extensions that folds down over the neck of a vessel, tubing, etc. The diaphragm can be punctured with a syringe needle, re-sealing after the needle is withdrawn. Available in either RED or WHITE rubber.

Pyrex® or Duran® borosilicate plate glass. The 1/16in, 1/8in and 1/4in thick plates have edges that are cut and swiped. The 1/2in thick and over have ground edges.

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…

FOAM PLUGS FOR TEST TUBES AND LABORATORY FLASKS, INDENTI-PLUGS, Economical Open-cell, 1.45 lb. uniform-density foam Breathable and non-absorbent Use over a wide temperature range Autoclavable Chemical resistant Proven safe for algae culturing Identi-Plugs® are…

Cover slips are manufactured from the highest quality borosilicate hydrolytic class 1 German glass. They have excellent resistance to chemicals and are ideal for neural tissue culture and hard-to-attach cells. These cover slips are exceptional for florescence and confocal microscopy. Sold in…

Similar to the AF-0450 5-port line, except that the line is constructed using 0-4mm Chem-Vac™; Chem-Cap®; valves (A) instead of the CG-468-02 greased glass stopcocks on all of the 4-ports. The end cap on the vacuum line is a #30 o-ring joint while the inert gas line has a #9 o-ring joint…

For your convenience we have combined our oil baths with a controller and bath oil to allow you to order all the items you need with one part number. Ordering with these packages also saves you a minimum of 10% of the purchase price of the individual components. PLEASE NOTE: HOT PLATE MUST BE…

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…

An inexpensive bottle cap for either GL-45 or GPI-38 threads that permits standard solvent or media bottles to be used as an HPLC reservoir. Caps have two holes to accomodate 1/8" tubing and one hole that accepts a standard luer inner joint. Caps are made from polypropylene and the inserts are…

Lower body of flask has a hemispherical shape to afford continuous flow of heavier fractions to concentrator tube during reflux. Top joint is a 24/40 outer while the lower joint is a 19/22 inner. Available with and without hooks on the lower 19/22 inner joint.

Reaction TRI-BLOCK is designed to fit directly on 135mm diameter circular top hot plate stirrers. Versatile design of the tri-block fits the most common vial sizes on one hot plate: 11ea- 1 Dram vials, 11ea- 2 Dram vials and 7ea– 20mL scintillation vials. Tri-block is hard coat anodized black…

Jacketed fractionation distilling head for use under vacuum. The 10/18 top outer joint is for a 1” immersion thermometer while the 10/30 joints are for a 2” immersion thermometer. The 24/40 joint size uses 4mm glass or PTFE stopcocks, and are positioned to permit changing of receiver…

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…

Allows for flexible tubing to be connected to apparatus for introduction of vacuum or pressure. Hose connection has an O.D. of 10mm at the largest serration and is bent downward at a 90º angle to the inner joint.

Heavy wall bottle used in hybridization incubators or ovens with rotators. An alternative to plastic bags or boxes, the membrane is rolled and placed into the bottle which is secured in a rotisserie. The membrane is saturated and drained during each revolution, resulting in even exposure of the…

Made from Type 1 Borosilicate glass. Full height partitions minimize breakage. Solid PTFE Lined Caps.

Molded inner cold finger for use in fabrication of Friedrich style condensers. Overall length is 230mm with an outside diameter of 45mm. NOTE: TOP IS UNFINISHED.

OptiTherm® aluminum reaction / heating blocks provide a SAFE and cost effective solution for replacing your existing oil baths and heating mantles. The innovative PTFE shield on the unit reduces the exterior exposed surface temperature by as much as 100°C. For example the PTFE shield would…

Line has 5-ports with 4mm solid double oblique high vacuum stopcocks, CG-468-02, having a constant pressure retaining device, and 24/40 inner joints with hooks just above the grind. Ports are spaced 150mm center to center and have rod bracing to vacuum bank. Large ID of vacuum bank (40mm) provides…

Similar to CG-3026 and CG-3027 except with two holes. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with…

Useful for direct filtration applications of small volumes under vacuum. Complete apparatus consists of a Buchner funnel with 14/20 top outer and lower inner joints, and a 50mL Erlenmeyer flask having a 14/20 outer joint.

Dispenser and labeling tape kits include one multi-roll tape dispenser and 14 rolls of tape; 2 rolls of each color (white, yellow, green, red, orange, blue and lavender), either 3/4 or 1 inch wide.

Easy-to-read, break-resistant dispensing bottles include DOT, CAS numbers, National Fire Protection Association (NFPA) codes and symbols, protective equipment symbols, and target organ information. Polypropylene nozzle assemblies are leakproof and color-coded to match bottle label.

Used between the vapor tube and evaporation flask on a rotary evaporator to prevent contents of the flask from being drawn into the condenser in the event of “bumping.” Traps have a 24/40 top outer joint and the listed size of lower inner joint.

Excellent heat transfer won't interfere with magnetic stirring,Holes spaced for optimum stirring of all vials,Color-anodized for durability and easy identification,Round reaction blocks are designed to fit directly on 135mm diameter, round top hot plate stirrers. Aluminum construction offers…

Unbreakable Dewar flask is made entirely of Stainless Steel. Dewar flask has many flexible laboratory applications including cooling of small samples and as an insulating flask. Furthermore, it can be used for storage & transport of liquid nitrogen LN₂, dry ice CO₂, and…

Coil style reflux condenser with tightly wrapped coil providing maximum cooling. Excellent for use with high vapor pressure solvents. Condenser has a top outer standard taper joint and lower inner drip tip joint. Hose connections have an O.D. of 10mm at the middle serration.

Trap provides expanded volume for reactions that have a tendency to foam excessively. The inner vapor tube is sealed to the top of the trap to prevent entry into the condenser. Traps have a 24/40 top outer joint and the listed size of lower inner joint.

Soxhlet type extraction apparatus used for continuous extraction of solids with a suitable solvent. Extractor uses paper or CG-1372 glass thimbles. Condenser has an enlarged uptake tube to improve condensing capacity. Complete apparatus consists of an Allihn condenser, extractor and flat bottom flask.