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This gives the SCE a potential of +0.248 V vs. SHE at 20 °C and +0.244 V vs. SHE at 25 °C, [1] but slightly higher when the chloride solution is less than saturated. For example, a 3.5M KCl electrolyte solution has an increased reference potential of +0.250 V vs. SHE at 25°C while a 1 M solution has a +0.283 V potential at the same temperature.
While the SHE might seem to be a reasonable reference for nonaqueous work as it turns out the platinum is rapidly poisoned by many solvents including acetonitrile [3] causing uncontrolled drifts in potential. Both the SCE and saturated Ag/AgCl are aqueous electrodes based around saturated aqueous solution.
During the early development of electrochemistry, researchers used the normal hydrogen electrode as their standard for zero potential. This was convenient because it could actually be constructed by "[immersing] a platinum electrode into a solution of 1 N strong acid and [bubbling] hydrogen gas through the solution at about 1 atm pressure".
The city appealed and, on Dec. 17, 1956, the U.S. Supreme Court rejected the appeal to hear Browder vs. Gayle, citing the already established precedent of Flemming vs. SCE&G.
Jennifer Aniston's Friends character Rachel Green was all over the #freethenipple campaign long before freeing the nipple was even a thing. Of course, we love her for it. But fans have been ...
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She Loves Me was a 1979 TV play based of the book of the same name and based on the 1963 broadway musical The Shop Around the Corner. The play was produced by the BBC and screened on 13 April 1979 on BBC Two .
Original Medicare. 2024 cost. Part A. $0 in most cases, thanks to Medicare taxes from working 10 years or more. Part A deductible. $1,632 for every hospital benefit period, without any limits ...