KR880000790A - α-Fe_2O_3 Gas Detector - Google Patents

α-Fe_2O_3 Gas Detector Download PDF

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Publication number
KR880000790A
KR880000790A KR1019860004560A KR860004560A KR880000790A KR 880000790 A KR880000790 A KR 880000790A KR 1019860004560 A KR1019860004560 A KR 1019860004560A KR 860004560 A KR860004560 A KR 860004560A KR 880000790 A KR880000790 A KR 880000790A
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KR
South Korea
Prior art keywords
gas detector
hydrate
iron salt
salt containing
containing sulfate
Prior art date
Application number
KR1019860004560A
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Korean (ko)
Other versions
KR890001982B1 (en
Inventor
고재귀
노경호
Original Assignee
대성산업 주식회사
김의근
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 대성산업 주식회사, 김의근 filed Critical 대성산업 주식회사
Priority to KR1019860004560A priority Critical patent/KR890001982B1/en
Publication of KR880000790A publication Critical patent/KR880000790A/en
Application granted granted Critical
Publication of KR890001982B1 publication Critical patent/KR890001982B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
    • G01N27/124—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature varying the temperature, e.g. in a cyclic manner
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/129—Diode type sensors, e.g. gas sensitive Schottky diodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

내용 없음No content

Description

α-Fe2O3계 가스 검지소자α-Fe2O3-based gas detector

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 1 도-제 3 도는 첨가제의 농도에 따른 각 시편 별의 저항치 변화를 나타낸 그라프이며.1 to 3 are graphs showing the change in resistance of each specimen according to the concentration of the additive.

Claims (3)

황산 이온을 포함하는 철염에 금속 이온인 Mg Mn 및 Zn을 5-50mol% 첨가하여 제조한 α-Fe2O3계 검지소자.An α-Fe 2 O 3 based detection device manufactured by adding 5-50 mol% of metal ions Mg Mn and Zn to an iron salt containing sulfate ions. 제 1 항에 있어서 황산 이온을 포함하는 철염은 Fe2(SO4)3또는 그의 수화물이며, 첨가제는 Zn Cl2, Mn Cl4및 Mg Cl2또는 그의 수화물인 형태로 첨가되는 가스 검지소자.The gas detector according to claim 1, wherein the iron salt containing sulfate ion is Fe 2 (SO 4 ) 3 or a hydrate thereof, and the additive is added in the form of Zn Cl 2 , Mn Cl 4 and Mg Cl 2 or a hydrate thereof. 제 1 항에 있어서 제조 방법은 습식으로 혼합하여 침전물을 가압 성형하여 소성 시킨 소결형 가연성 가스 검지 소자.The sintered flammable gas detection element according to claim 1, wherein the production method is wet mixed and calcined to deposit the precipitate. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860004560A 1986-06-09 1986-06-09 Gas detector for alpha-fe2o3 gas KR890001982B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860004560A KR890001982B1 (en) 1986-06-09 1986-06-09 Gas detector for alpha-fe2o3 gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860004560A KR890001982B1 (en) 1986-06-09 1986-06-09 Gas detector for alpha-fe2o3 gas

Publications (2)

Publication Number Publication Date
KR880000790A true KR880000790A (en) 1988-03-29
KR890001982B1 KR890001982B1 (en) 1989-06-05

Family

ID=19250381

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860004560A KR890001982B1 (en) 1986-06-09 1986-06-09 Gas detector for alpha-fe2o3 gas

Country Status (1)

Country Link
KR (1) KR890001982B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101652663B1 (en) 2016-01-27 2016-09-01 대원전기 주식회사 Underground cable sheath cutter cutting method using the cutting device for underground cables

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101652663B1 (en) 2016-01-27 2016-09-01 대원전기 주식회사 Underground cable sheath cutter cutting method using the cutting device for underground cables

Also Published As

Publication number Publication date
KR890001982B1 (en) 1989-06-05

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