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…

To maximize SNR, Precision NMR Tubes have minimal paramagnetic impurities that would impact shimming. Tight ID and OD tolerance as small as 0.0065mm accommodates Wilmad inserts. Manufactured in a state-of-the-art ISO 9001:2008 USA facility using a unique precision shrinking and grinding…

Designed for use in ASTM D-2273 and ASTM D-2709, this borosilicate glass capillary tipped long form centrifuge tube is 200mm in length.

These borosilicate glass indicator adsorption columns are used to determine saturates, nonaromatic olefins and aromatics in petroleum fractions that distill below 315°C as specified in ASTM Method D-1319. The standard flourescent indicator column is drawn to a fine point for retaining silica…

Calibrated "to contain" (TC), this borosilicate glass long oil centrifuge tube is used for determinations of water and sediment in petroleum and its products, including fuel oils and lubricating oils. See ASTM Methods D 96, D 1796 and D 91 and also API Code 2500. Reference No. ASTM D…

Made of borosilicate glass, these freeze drying flasks are used with VirTis® lyophilizing equipment. Openings are extra-wide for efficient shell freezing and suited for bulky samples. Wall thickness of flask is designed for vacuum applications. These flasks are supplied with a nylon translucent…

Calibrated "to contain" (TC) at 20°C and amberized for light sensitive studies, these Class A, borosilicate glass, wide mouth flasks are designed to provide pipette access along with facilitating filling and sampling. Unique flat bottom interior permits use of a standard stir bar. The…

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…

Wilmad Quick Pressure Valve Sample Tubes are specially designed to simplify the work of NMR/EPR studies for catalysis, gas-liquid phase reactions, air sensitive samples and elevated temperature studies using low boiling point solvents. Due to the nature of glass, Extreme Caution should be…

Widely used to protect vacuum pumps from contamination, these borosilicate glass vacuum traps are a one piece unit with two 3/8" hose connectors. Connectors are 180° apart to ease connection of heavy wall rubber tubing used in basic vacuum set-ups. These traps are frequently used with…

These borosilicate glass cylindrical reaction vessels have a tooled flat flange with an O-ring groove for a greaseless seal. Suitable for vacuum operation. Wall thickness is uniform throughout flask. Note: Use LG-7316 clamps.

Disposable NMR Tube Caps are manufactured from molded PVC or Polyethylene depending on the tube OD. The different colors help track samples based on various reference solvents. When using Chloroform or Acetone as reference solution, please avoid (1) direct contact between the sample and the…

Inside Height 22.0 millimeters Item Weight 1.10 pounds Length 25 millimeters Width 25 millimeters Material Borosilicate Glass

70, 100 and 120 mm caps are manufactured from glass filled PBT 70, 100 and 120 mm caps supplied with red rubber liner and Ultem impeller retaining nut Shur-Lok® 140 mm cap design has an unique compression O-ring design to insure tight internal seal of the flask and is supplied with Ultem…

Try our handy pocket NMR/EPR tube carrier; holds one 5mm O.D., 7 inch length NMR/EPR tube. Pack of 3 white holders. Features a pocket clip that keeps it secure. Made from unbreakable polymer material with a snap-on cap. Protection is provided for the sample and lab personnel during transport.

Wilmad’s low pressure/vacuum (LPV) Suprasil tube is ideal for anaerobic and gas-tight EPR experiments, and offers a convenient flame-free sealing solution for air sensitive or volatile liquid samples. Robust sealing system allows pressure build-up inside the sample Greaseless PTFE…

This reaction vessel clamp for O-rings and flat flanges is a cast bronze ring with a black oxidized finish. Three insulated, spring activated clamping arms fit beneath the flange of the flask body. Simple pressure on the heat-resistant fiber knobs and a twist, permit attachment or removal.

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

For routine use. Furnished silvered, evacuated and with aluminum base. Not for transportation of Liquid Nitrogen. Properties Capacity mL: 1000 Inside Diameter Inches: 2-11/16 Inside Depth Inches: 11-7/8

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…

Made of borosilicate glass, these vacuum traps consist of two pieces with a straight top stem. Both inlet and outlet stems are integral with the stopper. Body and stopper are connected by a full length Standard Taper joint.

These borosilicate glass reaction vessels are jacketed with 1/2" hose connectors. They have four indentations for improved stirring and a tooled flat flange with an O-ring groove for a greaseless seal.

Designed for air-sensitive samples and semi-solid samples such as gels or highly viscous liquids, Pyrex® MAS Rotor Inserts allow samples to be sealed into an NMR rotor by heat-seal or epoxy. Note: A glove box may be required for sealing of air-sensitive samples.

These jacketed, cylindrical borosilicate glass reaction vessels are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. There is a gently sloping contour at junction of side wall and bottom, thus…

These borosilicate glass 4-neck reaction vessel lids/covers have a contact surface that is finely ground to provide a tight seal. Featuring a flat flange, these pressed lids have a center neck and three side necks with outer Standard Taper joints. Use LG-7316 clamps. NOTE: LG-8081 for use with…

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…

To maximize SNR, Precision NMR Tubes have minimal paramagnetic impurities that would impact shimming. Tight ID and OD tolerance as small as 0.0065mm accommodates Wilmad inserts. Manufactured in a state-of-the-art ISO 9001:2008 USA facility using a unique precision shrinking and grinding…

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…

These PTFE inner joint adapters have a threaded compression cap, four saddle O-rings and one Viton® O-ring for use with plain stem thermometers and inlet tubes. Accepts thermometers with O.D.'s from 3 to 7mm.

This borosilicate glass specific gravity bottle is used in standard test methods for specific gravity of a variety of semi solid materials and emulsions, such as asphalt cements, road tars, road oils, and soft tar pitches. The solid Standard Taper stopper has a hole approximately 1.6mm in diameter…

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…

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…