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SOLVENT PAPER ANALYZER

IP.com Disclosure Number: IPCOM000023064D
Original Publication Date: 1976-Jul-31
Included in the Prior Art Database: 2004-Mar-27

Publishing Venue

Xerox Disclosure Journal

Abstract

Quartz crystal oscillators can be sensitized to selectively respond to the presence of solvent vapors by overcoating the crystals with a thin film of a sensitizing base mate~ rial such as a light oil0 In the presence of a solvent vapor the oscillator responds with a frequency deviation in positive correlation to the vapor concentration of the solvent0