SP Wilmad-LabGlass
-
5mm O.D. Quick Pressure Valve (QPV) NMR Sample Tubes
SP Wilmad-LabGlassWilmad 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…
-
Precision PTFE Stirrer Bearings
SP Wilmad-LabGlassUniquely 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…
-
PTFE Thermometer Adapters with Compression Cap
SP Wilmad-LabGlassThese 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.
-
ProCulture® Magnetically Driven Vortex Impeller Only
SP Wilmad-LabGlassVortex 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
-
Gay-Lussac Specific Gravity Bottles
SP Wilmad-LabGlassThese unadjusted borosilicate glass specific gravity bottles determine the density of liquid samples. They have capillary stoppers, and ground Standard Taper joints to reduce evaporation.
-
5mm O.D. Thin Walled Quartz NMR Tubes
SP Wilmad-LabGlassWilmad 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,…
-
3mm Economy NMR Tubes
SP Wilmad-LabGlassWith the steady increase of SNR on modern NMR spectrometers, the trend of small volume testing fits in high-throughput NMR to save on solvent costs. Wilmad-LabGlass presents a 3mm OD Economy Sample Tube with the same outstanding quality and performance as our legendary 5mm line. The new 4"…
-
Siphon ASTM Extraction Apparatus
SP Wilmad-LabGlassA block-tin condenser fits within a 400mL flask and this borosilicate glass extraction cup with siphon tube is suspended with wire from the condenser. Reference: ASTM D 297 Methods for Rubber Products; ASTM D 305 Test Method for Solvent-Extractable Material in Black Pigments.
-
PTFE/Viton® Beaded Fitting Couplings
SP Wilmad-LabGlassThese PTFE/Viton® couplings provide an inert and greaseless connection for equipment with beaded fittings. Their unique design eliminates pressure points which cause glassware to break. Use with LG-4553 and LG-4558 beaded ends.
-
Class A Volumetric Flasks
SP Wilmad-LabGlassThese 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.…
-
5mm O.D. Heavy Walled Precision NMR Tubes
SP Wilmad-LabGlassTo 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…
-
NMR Tube Carrier
SP Wilmad-LabGlassTry 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.
-
Off-Set Adapters
SP Wilmad-LabGlassThese borosilicate glass off-set adapters have a Standard Taper outer joint on one end and same size Standard Taper inner joint on the other.
-
X-Band Capillary EPR Tube for Aqueous Samples
SP Wilmad-LabGlassWilmad X-Band Capillary EPR tubes are often used in EPR applications which require tuning of aqueous samples at high dB or where sample size is limited. Open on both ends Easy to seal with a hot flame or beeswax
-
VirTis® Style Extra Wide Freeze Drying Flasks
SP Wilmad-LabGlassMade 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…
-
Coaxial Inserts
SP Wilmad-LabGlassSwitch 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…
-
Laboratory Grade Automatic Burets with Straight Stopcocks with PTFE Plugs
SP Wilmad-LabGlassThis 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…
-
5mm O.D. Medium Walled Precision NMR Tubes
SP Wilmad-LabGlassTo 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…
-
Gay-Lussac Adjusted Specific Gravity Bottles
SP Wilmad-LabGlassThese 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…
-
10mm O.D. Economy NMR Tubes
SP Wilmad-LabGlassWilmad-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…
-
Two-Piece Vacuum Traps with Hose Connection
SP Wilmad-LabGlassThese borosilicate glass vacuum traps have a Standard Taper joint to ease disassembly and allow cleaning/draining. The sidearm 3/8" hose connectors are 180° apart with a bent top stem and provide an easy connection when using rubber tubing. See LG-11020 for body only.
-
X-Band Economy Brand EPR Quartz Tubes
SP Wilmad-LabGlassWilmad 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
-
COLUMN CHROM FRTD 22X300MM
SP Wilmad-LabGlassInside Height 22.0 millimeters Item Weight 1.10 pounds Length 25 millimeters Width 25 millimeters Material Borosilicate Glass
-
5mm O.D. Thin Walled Precision NMR Tubes
SP Wilmad-LabGlassTo 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…
-
Cylindrical Reaction Vessels with Flat Flange
SP Wilmad-LabGlassThese borosilicate glass cylindrical 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 preventing…
-
Monier-Williams Sulfites Distilling Apparatus
SP Wilmad-LabGlassUsed 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…
-
5mm Benchtop Spectrometer NMR Tubes
SP Wilmad-LabGlassIdeal for use with 43, 60,& 80MHz manual sample loading benchtop NMR spectrometers, Wilmad-LabGlass Benchtop NMR Tubes have been tested in the most popular benchtop spectrometers to assure performance and give you confidence in purchasing consumables for your instrument. 5mm O.D. tubes…
-
Automatic Zero Reservoir Burets
SP Wilmad-LabGlassFor 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…
-
5mm Screw-Cap NMR Tubes
SP Wilmad-LabGlassCommonly 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.
-
Class A Volumetric Flasks with Plastic Stopper
SP Wilmad-LabGlassThese borosilicate glass volumetric flasks are provided with a plastic closed-bottom stopper which fits the Standard Taper ground zone. Stopper design prevents the neck from breaking if flask is tipped over. Calibrated "to contain" (TC) at 20°C.
-
Jacketed Beakers
SP Wilmad-LabGlassMade 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.
-
Susceptibility Matched Shigemi® Tubes
SP Wilmad-LabGlassShigemi 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…