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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".
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The DWP panel backed a $750,000 salary for proposed General Manager Janisse Quiñones, far higher than the $447,000 earned by the current manager.
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 ...
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In December 2007, the President's Pay Agent reported that an average locality pay adjustment of 36.89% would be required to reach the target set by FEPCA (to close the computed pay gap between federal and non-federal pay to a disparity of 5%). By comparison, in calendar year 2007, the average locality pay adjustment actually authorized was 16.88%.