Concept
Thermo Fisher Scientific (Thermo Scientific) ORION Ross pH electrode series
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1322/1/ | |
|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | |
| Alternative Labels | ORION Ross pH | |
| Definition | A series of pH electrodes that have been in production for over 35 years that are capable of measuring pH in TRIS, protein and sulphide samples. Measurement is based on the degree of potential that develops across a sensing membrane surface when the sensing element comes into contact with a sample. An internal reference electrode provides a second, unvarying potential to quantitatively compare the changes of the sensing membrane potential. This series of electrodes use a Ross Reference System that is based on [I3-/I-] iodide/triiodide ion pair chemistry with platinum wire. The probes typically have 0.01 pH precision. | |
| Date | None | |
| Identifier | TOOL1322 | |
| Note | accepted | |
| Is Version Of | TOOL1322 | |
| version | 1 | |
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