http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-706549-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e0dfa756d8d95385994f1521f13bdf5b |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M6-28 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M6-28 |
| filingDate | 1951-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1954-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-706549-A |
| titleOfInvention | Improvements in or relating to electrochemical half-cell |
| abstract | 706,549. Determinging physical qualities of materials. BECKMAN INSTRUMENTS, Inc. Nov. 19, 1951 [Jan. 23, 1951], No. 12448/53. Divided out of 706,519. Class 37 The invention relates to the construction of a half-cell structure for use with a salt-bridge for obtaining a reference potential in electrochemical measurements such as described in Specification 706,519 comprising an inert metal conductor, e.g. platinum, in contact with an electro-chemically active metal and an electrolyte. The upper part 43 (Fig. 3) of a reference electrode 26 containing the halfcell structure 50 comprises a glass tube 51 sealed at the top to tube 43 and containing at its lower end a silver-silver chloride half-cell 55 consisting of a tube 100 (Fig. 5) of inert metal, e.g. platinum, connected to a spring conductor 56, containing a plug 104 of silver and a quantity of silver chloride 106, the bottom of the tube 100 having an opening 108 providing access between the external electrolyte 47 and the silver chloride 106. In an alternative form a platinum wire 110 (Figs. 7, 8) protrudes from the bottom of the tube 51, having a layer of silver chloride 114 partly or completely covering a layer of silver 112, but leaving an exposed portion 113 of the wire 110. The halfcell structure 50 may alternatively be a calomel half-cell made by providing a constriction 119 (Fig. 9) in the tube 51, filling the lower part with mercury 121, covered with a calomel body 122, and a mass of glass wool 123 up to the constriction 119. A platinum wire 120 dips into the pool of mercury, and a quantity of electrolyte, e.g. saturated solution of potassium chloride, introduced, ionic communication being provided by a hole 124. The mass of glass wool 123 may be replaced by a glass bead substantially filling the tube 51 beneath the level of the hole 124. The tube 51 may be of plastic material, or of an inert metal, when the central wire 120 is superfluous. |
| priorityDate | 1951-01-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 24.