PTB Reports Thermodynamik und Explosionsschutz
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Report
| Title: |
Design and production of the electric conductivity cell |
| Editor: |
Spitzer, Petra; 3.002, Elektrische Leitfähigkeit, PTB-Braunschweig
Sudmeier, Uwe; 3.002, Elektrische Leitfähigkeit, PTB-Braunschweig |
| Report type: |
PTB-Report |
| Year: |
2000 |
| Document number: |
PTB-ThEx-15 |
| Pages: |
49 |
| ISBN: |
ISBN 3-89701-661-3 ; ISSN 1434-2391 |
| Abstract: |
For measuring the conductivity of fluids an electric conductivity cell has to be used. The cell requires the combination of a ceramic substrate with a metal based coating. The coatings need a good adhesion and a high purity which can withstand a corrosive medium at various temperatures. Typical coatings are copper, silver, gold and platinum. These coatings can be achieved up to 1 mm thickness and with a homogeneous structure by electroplating of electric conductive substrates. The paper describes the design and different possibilities for the metallising of insulating substrates or insulating layers prior to a precious metal coating. |
| Note: |
Electrolytical conductivity: 146. PTB-Seminar ; (PTB-Bericht PTB-ThEx-15) |
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