| 摘要 |
1,156,966. Electro-chemical analysis; electrode structures. INTERNATIONAL BUSINESS MACHINES CORP. May 18, 1967 [July 15, 1966], No. 23008/67 Heading GIN. A reference electrode comprises a commercially available calomel or silver-chloride electrode with KCl. solution and container 18 with wick 19, housed in an outer container 14 filled with saturated KCl solution. The bottom of the outer container 14 has an aperture covered with a cellulose membrane, 9. As shown the container is held by a union nut in a block 2 having a capillary bore 3 and opening 4 whereby the test solution contacts the membrane. Modifications:- the membrane may be of P.T.F.E. with capillary sized holes for measurements involving macromolecules, e.g. protein. |
