Special Purpose High Precision NMR Coaxial System
External Reference Coaxial System
Our coaxial set is ideal for measurements of a sample using TMS or other reference standards which may not dissolve or will react with samples. It is particularly suitable for 13C and 31P NMR studies. By isolating the reference from the sample, you can keep your samples clean and reusable. With our manufacturing technique, the inner and outer tubes are carefully ground and polished with the highest uniformity. Because of these fine thin walls, a higher S/N ratio can be obtained. Shigemi's External Coaxial System is very simple to use. Just slide and seat the inner tube at the bottom of the outer tube holding a few drops of reference. Although the space between the other and inner walls is 0.05 mm, the thin film of reference can produce significant signal intensity.
| Product Number | Complete Set OD (mm) | Inner Tube ID (mm) | Inner Tube OD (mm) | Outer Tube ID (mm) | Outer Tube OD (mm) | Price for Each Set |
| SC-001 | 4 | 2.0 | 3.1 | 3.2 | 3.98 | $39.00 |
| SC-002 | 5 | 3.1 | 4.1 | 4.2 | 4.965 | $39.00 |
| SC-003 | 8 | 5.9 | 6.9 | 7.0 | 7.99 | $49.00 |
| SC-004 | 10 | 7.9 | 8.9 | 9.0 | 9.98 | $59.00 |
| SC-005 | 12 | 9.9 | 10.9 | 11.0 | 11.98 | $69.00 |
| SC-006 | 13 | 10.9 | 11.9 | 12.0 | 12.98 | $69.00 |
| SC-007 | 15 | 12.9 | 13.9 | 14.0 | 14.98 | $69.00 |
Special 5mm Coaxial System
With Shigemi's Special 5mm Coaxial System, you can vary your sample ratios. A specialliy designed glass space cap is used instead of plastic parts to cap on top of the inner tube. This Special 5mm Coaxial System can be used for measuring the molecular interaction and/or determining the magnetic susceptibility of liquids.
| Product Number | Inner Tube ID (mm) | Inner Tube OD (mm) | Outer Tube ID (mm) | Outer Tube OD (mm) | Spacer ID (mm) | Spacer OD (mm) | Price for Each Inner Tube | Price for Each Outer Tube |
| SC-008 | 2.3 | 3.29 | 4.2 | 4.965 | 3.30 | 4.19 | $18.00 | $18.00 |
| SC-009 | 1.9 | 2.90 | 4.2 | 4.965 | 2.91 | 4.19 | $18.00 | $18.00 |
| SC-0010 | 1.5 | 2.50 | 4.2 | 4.965 | 2.51 | 4.19 | $18.00 | $18.00 |
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Shigemi, Inc.
Suite 21, 4790 Route 8
Allison Park, PA 15101
USA
TEL:(724)444-3011
FAX:(724)444-3020
© 1998 shigemi@prodigy.net
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