Microcell Inserts
Microcell Small Volume NMR Insert
- Sample volume can be as little as 18 μL
- Three different microcell inserts with various shapes (Spherical Bulb, Capillary Tube, Cylindrical Bulb)
- Outer tube (Wilmad Precision Thin-Walled Tube) must be ordered separately depending on magnetic field strength
- Not recommended for variable temperature experiments.
- Use Wilmad PTFE Needles (C/N: 90630) with syringe to fill and clean sample.

Cylindrical Bulb Microcell
| Catalog No. | Fits Tube with O.D. | Description | Volume | Cylinder Length |
|---|---|---|---|---|
| 529-E | 5.0mm | Cylindrical Bulb | 110 μL | 12mm |
| 529-E-5-L-15 | 5.0mm | Cylindrical Bulb | 140 μL | 15mm |
| 529-E-5-L-20 | 5.0mm | Cylindrical Bulb | 190 μL | 20mm |
Microcell Large Volume NMR Insert
- Use with probe size between 8 to 20mm
- Add sample through NMR pipets
- Outer tube cap is provided to hold microcell insert
- Custom sizes are also available

Cylindrical microcell inserts can be customised in lengths to match your probe requirements.
Note: Positioning rod should be removed prior to recording the spectrum.
Technical Tip: To improve the shimming quality and signal lock, surround the microcell insert with reference solvent to reduce the susceptibility differences between the inner and outer compartments of the assembly.
Can’t find something? Email us at sales@gossinst.co.uk or message our team via the contact page. We are always happy to answer any questions you may have regarding Wilmad Labglass products and will be delighted to assist you in locating precisely what you need.