Chemistry: electrical and wave energy – Apparatus – Electrolytic
Reexamination Certificate
2008-07-01
2008-07-01
Drodge, Joseph W (Department: 1797)
Chemistry: electrical and wave energy
Apparatus
Electrolytic
C204S433000, C204S435000, C204S630000, C324S438000, C422S051000, C422S082070, C422S082080
Reexamination Certificate
active
07393442
ABSTRACT:
The invention comprises novel apparatuses and testing methods for evaluating a fluid diffusion component. The apparatus includes a fluid capable of undergoing oxidation or reduction, a half-cell electrode assembly able to receive the fluid, and a change in acidity indicator in communication with the assembly. An inventive method of the invention includes the steps of passing a fluid capable of undergoing oxidation or reduction through a half-cell electrode assembly to form a sample, contacting the sample with an indicator, and detecting a change in acidity in the indicator.
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Cartiglia James R.
Drodge Joseph W
GrafTech International Holdings Inc.
Waddey&Patterson, PC
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