Sulfur chemiluminescence detector
Number of patents in Portfolio can not be more than 2000
United States of America
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Jan 25, 2022
Grant Date -
Aug 6, 2020
app pub date -
Nov 22, 2019
filing date -
Nov 22, 2019
priority date (Note) -
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Abstract
A sulfur chemiluminescence detector 200 includes: a heating furnace including a gas passage having first and second supply ports, and a heater configured to heat the gas passage; an oxidation-reduction gas supply unit configured to supply, to the gas passage, an oxidizing-agent gas through the first supply port and a reducing-agent gas through the second supply port; a reaction cell configured to make a sample gas that has passed through the gas passage react with ozone; an ozone supply unit configured to supply the ozone into the reaction cell; a vacuum pump connected to the reaction cell; a photodetector configured to detect light generated inside the reaction cell; a signal receiving unit configured to receive a shutdown signal; and a shutdown functioning unit configured to control each unit to automatically stop supplying the reducing-agent gas and the oxidizing-agent gas by the oxidation-reduction gas supply unit, heating the gas passage by the heater, supplying the ozone by the ozone supply unit, and evacuating by the vacuum pump, upon the shutdown signal being received by the signal receiving unit.
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