Title:
DEVICE FOR ANALYZING CHLORINE CONCENTRATION, METHOD FOR ANALYZING CHLORINE CONCENTRATION, DEVICE FOR PRODUCING TITANIUM TETRACHLORIDE, AND METHOD FOR PRODUCING SPONGE TITANIUM
Document Type and Number:
WIPO Patent Application WO/2019/044917
Kind Code:
A1
Abstract:
Provided is a device for analyzing chlorine concentration, comprising: a measurement cell 10 for housing chlorine-containing gas; a light-emitting unit 20 provided with a LED light source 21 for irradiating the chlorine-containing gas flowing through the measurement cell 10 with UV rays; a light-receiving unit 30 for receiving the UV rays transmitted through the measurement cell 10; and a calculation unit 50 for calculating the chlorine concentration in the chlorine-containing gas on the basis of an output signal from the light-receiving unit 30.
Inventors:
YAMAMOTO MASASHI (JP)
Application Number:
PCT/JP2018/031991
Publication Date:
March 07, 2019
Filing Date:
August 29, 2018
Export Citation:
Assignee:
TOHO TITANIUM CO LTD (JP)
International Classes:
G01N21/33; C01G23/02; C22B34/12
Domestic Patent References:
WO2017146109A1 | 2017-08-31 |
Foreign References:
JP2015081830A | 2015-04-27 | |||
JPH06508443A | 1994-09-22 | |||
JPS52113786A | 1977-09-24 | |||
JP2006519156A | 2006-08-24 | |||
US20100208239A1 | 2010-08-19 |
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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