KR880000790A - α-Fe_2O_3계 가스 검지소자 - Google Patents

α-Fe_2O_3계 가스 검지소자 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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South Korea
Prior art keywords
gas detector
hydrate
iron salt
salt containing
containing sulfate
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Application number
KR1019860004560A
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English (en)
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KR890001982B1 (ko
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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Application filed by 대성산업 주식회사, 김의근 filed Critical 대성산업 주식회사
Priority to KR1019860004560A priority Critical patent/KR890001982B1/ko
Publication of KR880000790A publication Critical patent/KR880000790A/ko
Application granted granted Critical
Publication of KR890001982B1 publication Critical patent/KR890001982B1/ko

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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 없음

Description

α-Fe2O3계 가스 검지소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도-제 3 도는 첨가제의 농도에 따른 각 시편 별의 저항치 변화를 나타낸 그라프이며.

Claims (3)

  1. 황산 이온을 포함하는 철염에 금속 이온인 Mg Mn 및 Zn을 5-50mol% 첨가하여 제조한 α-Fe2O3계 검지소자.
  2. 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.
  3. 제 1 항에 있어서 제조 방법은 습식으로 혼합하여 침전물을 가압 성형하여 소성 시킨 소결형 가연성 가스 검지 소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860004560A 1986-06-09 1986-06-09 α-Fe_2O_3 계 가스 검지 소자 KR890001982B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860004560A KR890001982B1 (ko) 1986-06-09 1986-06-09 α-Fe_2O_3 계 가스 검지 소자

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860004560A KR890001982B1 (ko) 1986-06-09 1986-06-09 α-Fe_2O_3 계 가스 검지 소자

Publications (2)

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

Family

ID=19250381

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860004560A KR890001982B1 (ko) 1986-06-09 1986-06-09 α-Fe_2O_3 계 가스 검지 소자

Country Status (1)

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KR (1) KR890001982B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101652663B1 (ko) 2016-01-27 2016-09-01 대원전기 주식회사 지중케이블용 수동 피박기 및 그 피박기를 이용한 지중케이블 피박공법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101652663B1 (ko) 2016-01-27 2016-09-01 대원전기 주식회사 지중케이블용 수동 피박기 및 그 피박기를 이용한 지중케이블 피박공법

Also Published As

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

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