KR840000739U - Acidity (pH) meter - Google Patents

Acidity (pH) meter

Info

Publication number
KR840000739U
KR840000739U KR2019820004940U KR820004940U KR840000739U KR 840000739 U KR840000739 U KR 840000739U KR 2019820004940 U KR2019820004940 U KR 2019820004940U KR 820004940 U KR820004940 U KR 820004940U KR 840000739 U KR840000739 U KR 840000739U
Authority
KR
South Korea
Prior art keywords
acidity
meter
Prior art date
Application number
KR2019820004940U
Other languages
Korean (ko)
Other versions
KR840000744Y1 (en
Inventor
윤영일
Original Assignee
윤영일
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.)
Filing date
Publication date
Application filed by 윤영일 filed Critical 윤영일
Priority to KR2019820004940U priority Critical patent/KR840000744Y1/en
Publication of KR840000739U publication Critical patent/KR840000739U/en
Application granted granted Critical
Publication of KR840000744Y1 publication Critical patent/KR840000744Y1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/80—Indicating pH value

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
KR2019820004940U 1982-06-23 1982-06-23 Acid analyser KR840000744Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019820004940U KR840000744Y1 (en) 1982-06-23 1982-06-23 Acid analyser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019820004940U KR840000744Y1 (en) 1982-06-23 1982-06-23 Acid analyser

Publications (2)

Publication Number Publication Date
KR840000739U true KR840000739U (en) 1984-02-29
KR840000744Y1 KR840000744Y1 (en) 1984-04-30

Family

ID=19225963

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019820004940U KR840000744Y1 (en) 1982-06-23 1982-06-23 Acid analyser

Country Status (1)

Country Link
KR (1) KR840000744Y1 (en)

Also Published As

Publication number Publication date
KR840000744Y1 (en) 1984-04-30

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Legal Events

Date Code Title Description
E701 Decision to grant or registration of patent right