Micro pH electrodes
From NMR Wiki
Micro pH electrodes can measure pH in a very small volume. Long stem versions can reach bottom of NMR tubes.
| brand | manufacturer | catalog # | type | description |
| Accumet MicroProbe 1.5 inch flexible stem | Cole-Parmer 1-800-323-4340 (USA) | #13-620-96 | glass/calomel | 1.5 inch (127mm) stem length x 3 mm diameter; stem PTFE coated, flexible join to body won't easily break as full glass versions; works well with eppendorf tubes and multiwell plates |
| Accumet MicroProbe 6 inch flexible stem | Cole-Parmer 1-800-323-4340 (USA) | #13-620-95 | glass/calomel | 6 inch (254mm) stem length x 3 mm diameter; same as above but longer stem - will fit into NMR tube of appropriate length |
