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.
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.
Norell™ HT Plus MHZ Borosilicate Glass NMR Sample Tubes
For auto-sampling systems and high-throughput NMR. Norell™ HT Plus MHZ Borosilicate Glass NMR Sample Tubes have been developed for quality and precision.
DWK Life Sciences Kimble™ Kontes™ Brand 5mm Disposable Grade NMR Sample Tubes
For instruments with field strength of approximately 60MHz
Wilmad-LabGlass™ Thin Walled High Throughput NMR Tubes
Possess an average camber of 60 microns to guarantee the clarity of the spectrum for small molecule (MW<250) samples up to 600 MHz. Wilmad Thin Walled High Throughput NMR Tubes are designed for routine use in most low to mid field NMR spectrometers.
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
Wilmad-LabGlass™ Tube Washer, 5 mm Tubes
Wilmad solvent jet NMR tube cleaner.
Norell™ 600MHz Borosilicate Glass NMR Sample Tubes
High resolution NMR tubes offer unsurpassed performance, reproducibility and reliability
Norell™ Select Series™ Precision NMR Sampling Tubes
Offers unsurpassed performance, reproducibility and reliability compared to other brands. Norell™ Select Series™ Precision NMR Sampling Tubes have been developed for quality and precision and are the top choice for today's scientist.
Norell™ Ultra Precision Borosilicate Glass NMR Sample Tubes
For auto-sampling systems and high-throughput NMR
Norell™ Standard Series™ 5mm Precision NMR Sampling Tubes
Excellent for monitoring reactions, scouting for new compounds or doing routine NMR. Norell™ Standard Series™ 5mm Precision NMR Sampling Tubes have been developed for quality and precision and are the top choice for today's scientist.
Norell™ Precision Borosilicate Glass NMR Sample Tubes
For auto-sampling systems and high-throughput NMR
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.
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.
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.