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

Switch between three unique sample ratios during external referencing experiments Ideal for variable temperature experiments as materials is the same between the tubes and spacer In the complete set the insert and outer tube are fused together at the bottom. It is recommended for high field…

Made of borosilicate glass, these Bidwell-Sterling moisture traps are calibrated "to contain" (TC) at 20°C and are used for determining moisture in samples by distilling with an immiscible liquid. Consist of vapor tube, return tube, round bottom graduated tube, and Standard Taper…

Featuring a center neck and three side necks with full length outer Standard Taper joints that are 120° apart, these borosilicate glass reaction vessel lids have a conical flange. Bottom flange ID is 4" and ground for a leak-proof fit with a reaction flask. For use with reaction vessels…

Low cost alternative to the full VT version for sample changers Weight and susceptibility matched to originals Can be mixed with originals in sample changer operation Limited VT operation around ambient Does not jam at top of upper barrel during insert operation Tachometer strip now…

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…

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 …

Now, sample tubes and storage vials have been joined! Save time and money with the Screw Cap EPR Tube; each come with a PTFE/Silicone Septum.

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…

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…

Shigemi tube features a susceptbility matched bottom and plunger for each of the following solvents: CDCL3 CD3OD D2O DMSO-d6 This feature would effectively reduce the boundary gradients at the edges of the coil. Therefore, it is no longer critical to keep the general NMR sample…

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 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…

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 an 6-5/8" flange O.D. and comes with a size 359 O-ring. Designed to be used with 2000mL, 3000mL, and 4000mL cylindrical reaction vessels…

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…

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…

This borosilicate glass Air-Tite vacuum gas manifold (Schlenk line) is designed with double oblique pressure/vacuum stopcocks with 4mm bores and a 16.2/56 plug size. The stopcocks simplify evacuation or pressurization with an inert atmosphere. Manifold is 1" O.D.

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.

For NMR investigations where corrosive chemical compounds such as hydrofluoric acid, ammonium bifluoride and concentrated hydroxide solutions are present, Wilmad’s 8" FEP NMR Tube Liners fit 7" NMR tubes and provide a contamination-free environment. Round-bottom,…

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

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 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,…

Manufactured from the highest purity Zirconia, our MAS Rotors provide the NMR spectroscopist with the ultimate alternative for analysis of solid samples; the need to solvate is eliminated. They are available for most present solid state NMR spectrometers. Wilmad's MAS Rotors are carefully…

Three standard baffle indents to improve agitation during shaking Long neck reduces splashing that could reach the closure Neck accommodates polypropylene and stainless steel closures Durable white ceramic marking spot Manufactured from ASTM Type I, Class A borosilicate

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…

Graduated from 10 to 90% in 1% subdivisions, this borosilicate glass buret is used to determine the degree of dissociation of ammonia during the nitriding of steel alloys. Buret is 100mL and reads the amount of ammonia absorbed. Stopcocks are glass and a Standard Taper 14/20 joint connects the…

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…

The Universal Solvent Jet NMR Tube Washer can be used for any length NMR sample tube by a simple adjustment of the flexible PTFE tubing. By loosening and retightening the fitting on the assembled washer head, the PTFE tubing that extends into the sample tube is adjusted to the proper length.…

Made of borosilicate glass, these laboratory beakers are fully jacketed to allow temperature control over a wide range. They are similar to a standard Griffin Beaker, but do not have a pouring spout.

Causes less probe insert damage by better insert sample control Tachometer strip now with foil protection for improved life span Longer upper barrel stabilizer easily identified by 3mm yellow band Limited VT operation possible of +40°C above ambient Can be mixed with originals…

These unadjusted borosilicate glass specific gravity bottles determine the density of liquid samples. They have capillary stoppers, and ground Standard Taper joints to reduce evaporation.

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