|
 |
 |
Constricted Select Series NMR Sample Tubes, 1 Pack - 5mm
- 7" (178mm)
- 500MHz
- I.D. at Constriction: 1.5mm - 2.0mm
- For High Resolution NMR
Constricted NMR tubes offer a convenient way to seal your sample from air or other contaminants. Simply heat the constricted portion using a suitable heat source (e.g. a small butane torch) then gently twist and pull on the open end to seal. Also allows samples to be stored under vacuum or inert gas. (Please note: constricted tubes are specified and ordered by the required finished length and are measured from the tube bottom to the center of the constriction.) Available with ULTRA-THIN wall NMR Tubes. Pictured with optional NorLoc™ Cap. Constricted NMR tubes ship with economy caps.
|
|
 |
|
|
|
Price: $256.56 |
|
 |
|
|
|
|
|
|
S33-0500-050-1780 |
|
Secure Series™ NMR Tubes 5 Pack - 5mm
- 500MHz
- 7 Inch (178mm)
- Includes “Norloc™ with Security Band” Caps
- A patented proprietary surface treatment with a unique textured surface ensures precise and positive retention in Bruker, Agilent/Varian, and Jeol spinner turbines.
The Secure 33 Series™ NMR tubes are made from ASTM Type I Class A borosilicate glass ("low expansion" borosilicate glass such as Corning Pyrex® 7740 or equivalent) and match the properties of the Select Series™ NMR tubes from Norell®. Secure Series™ NMR tubes feature several patented design elements that add a superior level of sample containment and isolation, safeguarding the integrity of precious or critical NMR samples and assuring secure retention of the NMR tube in the spinner turbine. Secure Series™ NMR Tubes ship with our patented NorLoc Caps™ featuring a Security Band™ that engages and locks into the NorLoc II Security Cap™, securely joining the cap to the NMR tube. |
 |
 |
 |
Price: $128.72 |
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|