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AMPEROMETRIC PROPELLANT-COMPONENT DETECTOR
OLIN MATHIESON CHEMICAL CORP NEW HAVEN CONN
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The data obtained in production of an improved multipurpose detector capable of measuring low airborne concentrations of N2O4, O3, N2H4, unsymmetrical dimethylhydrazine UDMH, and HF is presented. The concept of forward and reverse polarization was applied and considerable specificity was obtained for oxidizing and reducing substances. Sensitivities were obtained of 100 microamperesppm of N2O4, 52 microamperesppm of O3, 40 microamperesppm of H2N2, and 20 microamperesppm of UDMH. The Amperometric Propellant-Component Detector features self-powered andor line operation, a built-in rectifier system, a split air-flow system to reduce baseline shift, and a charcoal-sample air by-pass to give the best system for zero checking. The instrument has an effective current gain of 35, and has an input resistance of 10 K ohms. The instrument was provided with a range switch of X 100, X 10, and X 1. Resistor values for providing X 20, X 10, X 5, X 2, and X 1 operation were obtained by actual shunt substitution. Author
APPROVED FOR PUBLIC RELEASE