Featuring a reinforced bead and pouring lip, these Class B borosilicate glass graduated cylinders comply with ASTM E 1272. The 5mL size has a funnel top. Calibrated "to deliver" (TD) at 20°C and suitable for general laboratory use. Reference No. ASTM E 1272

These borosilicate glass volumetric flask sizes comply with requirements for Type 1, Class A "Unserialized flasks". They are supplied with a standard taper penny head glass stopper. Calibrated "to contain" at 20°C. Reference: ASTM E288 and Federal Specifications NNN-F-289.…

This long form 100mL capacity oil centrifuge tube has a capillary tip that makes it ideal for use when only small amounts of solids are present. Made of borosilicate glass, its approximate widest O.D. is 38mm and approximate length is 200mm. Reference No. ASTM D 2709

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…

Wilmad X-Band Economy Brand EPR Quartz Tubes are manufactured from naturally occurring quartz with the highest purity to minimize the background signal. Tight ID and OD tolerances ensure 100% compatibility to spectrometers Individually wrapped to prevent contamination Comes with a cap

These borosilicate glass specific gravity bottles are accurately adjusted at 20°C to determine the density of liquid samples. While the joints have Standard Taper dimensions, the capillary stoppers are not interchangeable since the final adjustment for volume is made on the stopper. Each bottle…

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…

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…

Wilmad-LabGlass 10 mm Economy NMR Tubes are manufactured from borosilicate glass that meets the ASTM Type 1 Class B standard and recognized as N51A. Due to its nature, this glass has much less thermal-shock resistance than Class A glass used for our Precision Tubes. It may contain Fe2O3 which is…

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…

With two vertical necks and a round bottom, these borosilicate glass flasks feature a side neck Standard Taper 24/40 outer joint. The center Standard Taper joint varies with flask capacity.

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.…

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…

Manufactured from the highest purity Zirconia, Wilmad MAS Rotors provide the ultimate solution for analysis of solid samples. Caps fitted with O-rings for improved sealing MAS Probe and caps are 100% compatible for most solid state NMR spectrometers Thoroughly inspected before and…

Wilmad X-Band Economy Brand EPR Suprasil® tubes are manufactured from synthetic quartz which has 20 fold less paramagnetic impurities than naturally occurring quartz. Tight ID and OD tolerances ensure 100% compatibility to spectrometers Individually wrapped to prevent contamination …

Made of borosilicate glass, these precision type, Class A burets have a straight 2mm PTFE stopcock. Calibration is in compliance with ASTM E 694 specifications. Reference No. ASTM E 287 Laboratory Glass Graduated Burets

Vortex impeller design provides gentle stirring while insuring top-to-bottom mixing Impeller extends above the media surface to increase aeration of media All components are autoclavable Impeller components are made from FDA approved materials

Wilmad’s WG-1364 series capillary tubes are sealed at one end and provide a low cost solution for small volume NMR measurement. Made of ASTM Type 1 Class A glass Tested at 400 MHz field

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

Three styles available for our NMR and EPR Tubes 1187C59 (820-A): Lightweight polypropylene rack maximizes your benchtop storage capacity and is virtually inert 1187C64 (WG-2442): Simple but useful this stainless steel NMR tube rack accommodates 12 tubes with a maximum OD of 5mm.…

Commonly used in sample degasification these tubes can maintain vacuum quality of >10-4 torr. For better vacuum, please check our Pressure/Vacuum Tube and Quick Pressure Valve Tube. Tube comes complete with open top screw cap and septum. Caps and septa can be ordered separately.

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 three side necks with full length outer Standard Taper joints, this borosilicate glass 4-neck reaction vessel lid/cover has a flat flange. Use LG-7316 clamps. NOTE: LG-8087 is designed to be used with LG-8080, LG-8084, LG-8085, and LG-8089 cylindrical reaction vessels.

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…

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…

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…

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…

Authentic Bruker® SampleJet® cap without code, up to 600 MHz. Do not use with Ceramic spinners.

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…

Wilmad Precision NMR Quartz Tubes have an extremely low thermal expansion rate and high tensile strength which is 14 times more robust during the cooling/heating process than Type 1 Class A glass tubes. Naturally occurring quartz maintains an over 85% transmission rate (10 mm thickness,…

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…

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…