Detection of hydrogen sulfide in hydride gases

The method measures hydrogen sulfide concentrations in hydride gases in a sealed vessel (1). The sealed vessel has a gas inlet (11) to receive a stream of hydride gas, a gas outlet (9) to remove the stream of hydride gas and a metal acetate substrate (3). The stream of hydride gas contains a concent...

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Bibliographische Detailangaben
Hauptverfasser:	LITWIN, MICHAEL MARK, SALIM, SATERIA, GODDARD, JOHN BURNHAM
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TESTING THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The method measures hydrogen sulfide concentrations in hydride gases in a sealed vessel (1). The sealed vessel has a gas inlet (11) to receive a stream of hydride gas, a gas outlet (9) to remove the stream of hydride gas and a metal acetate substrate (3). The stream of hydride gas contains a concentration of hydrogen sulfide gas. Introducing the stream of hydride gas through the gas inlet contacts the acetate substrate with the stream of hydride gas. Reacting the hydrogen sulfide gas contained in the stream of hydride gas with the acetate substrate modifies optical properties of the acetate substrate. Then measuring the optical properties of the acetate substrate determines the concentration of the hydrogen sulfide gas contained in the stream of hydride gas.