METHOD AND APPARATUS FOR MEASURING CONCENTRATION OF HYDROGEN REPOXIDE VAPOR IN CHAMBER

PROBLEM TO BE SOLVED: To provide a method and an apparatus for simply measuring the concentration of a hydrogen peroxide vapor at a low cost. SOLUTION: The concentration A of the hydrogen peroxide vapor contained in a gas in a chamber 1 is calculated by A=(C1-C2)/(B--E/D) by using the detected value...

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1. Verfasser:	KOKUBO MAMORU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEASURING MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL PHYSICS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method and an apparatus for simply measuring the concentration of a hydrogen peroxide vapor at a low cost. SOLUTION: The concentration A of the hydrogen peroxide vapor contained in a gas in a chamber 1 is calculated by A=(C1-C2)/(B--E/D) by using the detected value C1 regarding the gas in the chamber 1 detected by a first humidity sensor 3 having characteristics reacting in proportion to the concentration of the vapor and the detected value C2 of the gas after the vapor in the gas detected by a second humidity sensor 7 is decomposed into a steam and an oxygen, wherein B is a reaction coefficient for reacting in response to the concentration of the vapor by the first sensor experimentally obtained in advance to the detected value, D is the molecular weight of the hydrogen peroxide, and E is the molecular weight of the water.