NMR Tubes
NMR Tubes
Thin, glass tubes of different lengths, wall thicknesses, outer diameters, cambers, concentricities, and I.D. and O.D. tolerances designed to hold samples during nuclear magnetic resonance spectroscopic analysis; may include tube cap.NMR tubes are required for analyzing samples using nuclear magnetic resonance spectroscopy. Choose an NMR tube that most closely matches the frequency (MHz) of your spectrometer.
Typically made of borosilicate glass and offered in seven- and eight-inch lengths, the outer diameter of the tube can range from 3mm to 10mm, with 5mm being the most common. For greater testing precision, look for thin-walled NMR tubes. Quartz NMR tubes with low boron concentrations of boron are also available if boron NMR is used.
NMR tubes are available in reusable or disposable versions. Some versions have screw caps, with or without septa. Polyethylene caps are the most common.
Specifications for NMR tubes may include concentricity and camber.
- Concentricity is how round the tube is and is measured using the inner and outer walls
- Camber is a measure of the tube’s straightness; poor camber can cause the tube to wobble during rotation, which can produce spinning side bands
Nuclear magnetic resonance spectroscopy allows you to observe the local magnetic fields around atomic nuclei. As radio waves excite the nuclei, their resonance is detected by a sensitive radio receiver that provides information about the molecule’s electronic structure. NMR spectroscopy is also used to identify monomolecular organic compounds, proteins, and other complex molecules.
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Filtered Search Results
DWK Life Sciences Kimble™ Kontes™ Brand 5mm High Grade NMR Sample Tubes
Each tube meets rigid specifications for wall thickness, variation and camber so as to assure precise measurements and reproducibility.
Thickness (English) Wall | 0.014 in. |
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Includes | Cap |
Diameter (Metric) Outer | 5 mm |
Diameter (English) Outer | 0.19 in. |
Diameter (Metric) Inner | 4.2 mm |
Material | Borosilicate Glass |
Thickness (Metric) Wall | 0.38 mm |
For Use With (Application) | Ideal for sealing directly to vacuum manifolds, joints or valves |
Closure Type | Compression-fit |
Closure Material | Polyethylene |
Wilmad-LabGlass™ SP Scienceware™ 5mm O.D. Thin Walled Economy NMR Tubes
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
Diameter (Metric) Outer | 4.947±0.019 mm |
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Diameter (Metric) Inner | 4.1 mm |
Thickness (Metric) Wall | 0.43 mm |
DWK Life Sciences Kimble™ Kontes™ KIMAX™ NMR Borosilicate Glass 5mm Tube
Ideal for sealing directly to vacuum manifolds, joints or valves
Thickness (English) Wall | 0.014 in. |
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Includes | Cap |
Diameter (English) Inner | 0.16 in. |
Field Strength | 600 to 700MHz |
Concentricity (English) | 0.0005 in. |
Diameter (Metric) Outer | 5 mm |
Diameter (English) Outer | 0.19 in. |
Diameter (Metric) Inner | 4.2 mm |
Material | Borosilicate Glass |
Thickness (Metric) Wall | 0.38 mm |
For Use With (Application) | Ideal for sealing directly to vacuum manifolds, joints or valves |
DWK Life Sciences Kimble™ Kontes™ Brand 3mm NMR Tubes
Each tube meets rigid specifications for wall thickness, variation and camber so as to assure precise measurements and reproducibility.
Thickness (English) Wall | 0.011 in. |
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Includes | Cap |
Diameter (English) Inner | 0.094 in. |
Shape | Cylindrical |
Diameter (Metric) Outer | 3 mm |
Diameter (English) Outer | 0.11 in. |
Diameter (Metric) Inner | 2.4 mm |
Material | Borosilicate Glass |
Thickness (Metric) Wall | 0.28 mm |
For Use With (Application) | Research applications include analysis of polymer structures and organic solutions |
Closure Type | Compression-fit |
Closure Material | Polyethylene |
DWK Life Sciences Kimble™ Kontes™ Brand 5mm Disposable Grade NMR Sample Tubes
For instruments with field strength of approximately 60MHz
Thickness (English) Wall | 0.015 in. |
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Includes | Cap |
Shape | Cylindrical |
Field Strength | 100MHz |
Diameter (Metric) Outer | 5 mm |
Diameter (English) Outer | 0.19 in. |
Material | Borosilicate Glass |
Thickness (Metric) Wall | 0.38 mm |
For Use With (Application) | Designed for use in high-resolution NMR spectroscopy |
Closure Type | Open-top |
Closure Material | Polyethylene |
Bel-Art™ SP Scienceware™ Wilmad™ Thin Wall Quartz EPR Sample Tube
Manufactured from naturally occurring quartz with the highest purity to minimize the background signal. Bel-Art SP Scienceware™ Thin Wall Quartz EPR Sample Tube may contain Fe2O3 which is paramagnetic (1200 ppm) and has certain impact on shimming quality depending on the magnetic field strength.
Length (Metric) | 250 mm |
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Product Type | Sample Tube |
Material | Quartz |
Thickness (Metric) Wall | 0.5 mm |
Bel-Art™ SP Scienceware™ 5mm O.D. Thin Walled Precision NMR Tubes
To maximize SNR, Precision NMR Tubes have minimal paramagnetic impurities that would impact shimming. Tight I.D. and O.D. tolerance as small as 0.0065mm accommodates Wilmad inserts
Diameter (Metric) Outer | 4.9635±0.0065 mm |
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Thickness (Metric) Wall | 0.38 mm |
Norell™ Standard Series™ 5mm Economy NMR Sampling Tubes
Excellent for monitoring reactions, scouting for new compounds or doing routine NMR. Norell™ Standard Series™ NMR Sampling Tubes have been developed for quality and precision and are the top choice for today's scientist.
Includes | Cap |
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Product Type | NMR Sample Tube |
Diameter (Metric) Outer | 4.9 mm |
Diameter (Metric) Inner | 4.2 mm |
Material | Borosilicate Glass |
For Use With (Application) | Routine NMR |
Material | Borosilicate Glass |
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DWK Life Sciences Kimble™ Kontes™ Cuvette Tube Washer for NMR Utility Washers
Replacement fask for utility washers.
DWK Life Sciences DURAN™ NMR Tubes, for four application frequencies, with closures
NMR tubes, the sample or solution vessels for resonance frequency measurement, are extremely precise and are subject to narrow tolerances for straightness, wall thickness and wall thickness distribution.
Material | Borosilicate Glass (3.3), EVA |
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For Use With (Application) | Nuclear magnetic resonance spectroscopy (NMR spectroscopy); Storage and transport of measurement solutions; Designed for use in low to most mid field NMR spectrometers |
Bel-Art™ SP Scienceware™ Wilmad™ Pipet Bulb
Squeeze the bulb to dispense or retrieve sample liquid. Bel-Art SP Scienceware™ Wilmad™ Pipet Bulb is constructed of durable latex.
SP Wilmad-LabGlass™ High-Throughput NMR Tubes
Double the writing area allows for easy sample marking and identification.
Diameter (Metric) Outer | 5±0.02 mm |
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Length (English) | 7 in. |
Thickness (Metric) Wall | 0.43 mm |