Detection of fluids with metal-insulator-semiconductor sensors

Electrolysis: processes – compositions used therein – and methods – Electrolytic analysis or testing – For ph

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205775, 204401, 204412, 204416, 422 681, 422 8201, 422 8202, 422 8203, 324 711, 324 715, 338 34, 436144, 436149, 436150, 73 3106, G01N 2726

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055913210

ABSTRACT:
A metal-insulator-semiconductor diode sensor having a Pt/Ir alloy and/or a Pt/Sn alloy electrode is sensitive to and can detect ethylene. An array of metal-insulator-semiconductor diode sensors having varying sensitivity responses can indicate a fault in an electrical transformer by the detection of at least one of the key fault gases CO, H.sub.2, C.sub.2 H.sub.2 and C.sub.2 H.sub.4.

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