Wilmad’s Pressure Vacuum Tube is the most reliable NMR tube on the market for medium range pressure (<300 psi) and ultra vacuum (10-8 torr) experiments. Connect to a 1/8" metal (SST or brass) vacuum line using Swagelok® fittings Pressure vacuum valve is made of PTFE,…

This inexpensive portable titration set features a 2mm straight stopcock with PTFE plug. The borosilicate glass buret is filled by pressure supplied by the rubber bulb. A small hole in the filling tube at the "O" line permits setting of the liquid level and excess titrant is returned to…

Used for the continuous extraction of solids with a suitable solvent. Units are supplied complete with flat bottom boiling flask, Soxhlet extractor and Allihn condenser. The extractor capacity shown is the solvent volume held in the extractor to the top of the siphon tube. The siphon tube is…

With closed bottom standard taper pennyhead style stopper Pennyhead stopper forms a secure seal High form shape decreases bottle footprint Light weight for simple tare settings Manufactured from ASTM Type I, Class A borosilicate

Calibrated "to deliver" at 20°C, these borosilicate glass pipettes have a permanently colored amber scale with the zero line at the top. The small amount remaining in the tip, after completion of free delivery, is blown out and added to the main delivery volume (ground band indicator…

Used for the determination of sulfites in food and related product, this Monier-Williams Sulfites distilling apparatus is made of borosilicate glass and has Standard Taper 24/40 outer and inner joints. The complete unit consists of a special outlet adapter with a double bend, a 300mm long Allihn…

These borosilicate glass Schlenk sample tubes incorporate a grease-free high vacuum 0-4mm valve and are suited for pressure/vacuum applications. Ideal for reaction and storage of air-sensitive compounds. Sidearm can be connected to inert atmosphere/vacuum source or a manifold.

Available in various sizes, these borosilicate glass round bottom flasks have three vertical necks with Standard Taper outer joints. The side necks are 180° apart.

For student use or industrial test methods requiring medium accuracy Graduated in 0.1 mL; central filling tube zeroes buret as excess titrant drains back into reservoir Self-standing, supported by filling tube which passes through rubber stopper of reservoir bottle Rubber bulb with…

Featuring a center neck and two side necks with full length outer Standard Taper joints, this borosilicate glass 3-neck reaction vessel lid/cover has a flat flange. For use with large capacity cylindrical reaction vessels, 2000mL, 3000mL and 4000mL (LG-8082, LG-8084, LG-8085, and LG-8089). Flange…

When using thin layer or paper chromatography (TLC), these borosilicate glass atomizers are used for spraying chromogenic reagents. Complete unit consists of spray head, flask, and LG-1004 clamp. The air inlet tube has an opening to release pressure and stop spraying. All joints are Standard Taper 24/40.

Sample volume can be as little as 18µL 3 different inserts with various shapes (Spherical Bulb, Capillary Tube and Cylindrical Bulb) Outer tube (Precision Thin Walled) must be ordered separately depending on magnetic field strength Not recommended for variable temperature experiments…

Featuring a side outlet in the body for a self sealing syringe stopper, these borosilicate glass Gas Collecting Tubes are useful in gas chromatography or mass spectroscopy. Stopcocks have PTFE plugs. For additional rubber stoppers, see ML-1940.

Used to connect two pieces of glass with flat flanges of the same diameter, these stainless steel horseshoe-shaped clamps are uniquely designed. Adjustable tension springs that secure even pressure over the flange area, may be slid on or off easily - thus facilitating assembly and disassembly of…

Featuring a center neck and two side necks with full length outer Standard Taper joints that are 180° apart, these borosilicate glass reaction vessel lids have a conical flange. The bottom part of lid is finely ground for a leak-proof fit with flask. LG-8030 is used on cylindrical or…

Uniquely designed and lubricant free, these precision stirrer/stirring bearings are self-aligning. The saddle O-ring provides constant force and a positive seal on the stirring rod that allows vacuum operation to as low as 1mm. Ground finish rods from other manufacturers are not recommended for use…

Wilmad X-Band Precision Brand EPR Quartz tubes are manufactured from naturally occurring quartz with the highest purity to minimize the background signal. Hold 10 to 15 times better tolerances on the inner diameter and 5 times smaller camber and concentricity vs economy brand tubes Ideal…

Designed for routine use in all NMR spectrometers, Wilmad Economy NMR Tubes are guaranteed to fit tightly in any spinner turbine and have zero NMR background. Best OD tolerance in the industry and a 30% thicker wall than any competitors' product Manufactured in an ISO 9001:2008 USA…

Calibrated "to contain" at 20°C, these borosilicate glass moisture traps are used for the determination of water in various materials by distillation with an immiscible solvent. They consist of a full length Standard Taper inner joint for vapor tube connection to distilling flask and…

Ideal for cultures that require a large surface area to volume ratio Beaded rim ensures a greater resistance to chipping Available without baffles or with three standard baffle indents to improve agitation during shaking Neck accommodates standard rubber stoppers Durable white ceramic…

These filter assemblies for FILTERWARE™ filtration system consist of an all-borosilicate glass funnel, fritted glass support base, aluminum clamp, and silicone stopper. Choose from 47mm or 90mm filter assembly sizes. Individual components are offered in various sizes for a customized unit.…

Engineered for a "push on" fit in NMR tubes and ampules. The unique design provides a penetration point for cannulation and a dual seal inside the tube and on the outer sleeve. Will not break delicate, thin-wall tubing. Manufactured from one certified raw material formulation for absolute…

For the determination of water in petroleum and bituminous materials, these borosilicate glass Bidwell-Sterling moisture traps collect liquefied vapor. They feature a connection between top of vapor tube and graduated tube. This construction allows excess solvent to return to flask with minimal…

Calibrated "to contain" at 20°C, the upper neck of these borosilicate glass flasks are enlarged to permit easy introduction of solids. Each flask is provided with a marking spot in addition to a serial number. NOTE: Supplied with Certificate of Compliance

Ideal for cultures that require a large surface area to volume ratio Delong style neck to reduce splashing that could reach the closure Three baffle indents in the flask bottom center to improve agitation during shaking Durable white ceramic marking spot Manufactured from ASTM Type I,…

This borosilicate glass pear-shaped separatory funnel is supplied with a Standard Taper glass stopper and a Standard Taper glass stopcock.

Wilmad Long-Tip Sample Transfer NMR Pipettes are designed for easy transfer of liquid samples contained in 5mm OD NMR tubes, long neck volumetric flasks or chromatography columns. Manufactured from high quality ASTM Type 1 Class A glass Resistant to most organic solvents Transparency…

Ideal for cultures that require a large surface area to volume ratio With three standard baffle indents to improve agitation during shaking Supplied with GL45 closure Durable white ceramic marking spot Manufactured from ASTM Type I, Class A borosilicate

Ideal for 29Si NMR experiments, this tube kit contains a silicone free FEP tube and 5mm OD glass adapter with two open ends. Use of a depth gauge to fine adjust position of the liner to ensure no glass protrudes in the Rƒ coil limit is suggested Rated for 500MHz experiments. …

With fused-in fritted glass disc, these high form Gooch crucibles, made of borosilicate glass, are for analytical work involving precipitation, drying, and weighing. They are particularly suitable when precipitates will not be dried at temperatures above 110°C and may be used at higher…

Made of borosilicate glass, these soap film bubble flowmeters are used in routine analytical laboratory gas chromatography to measure flow rate of the carrier gas. A soap bubble, formed in the bottom of the graduated tube, is pushed upward by gas from exit end of the chromatograph. Flow rate is…

This borosilicate glass test tube has a round bottom and a Standard Taper outer joint. See LG-10300 and LG-10310 for stoppers.