JPS5267383A - Colorimetry and colorimeter for chemical oxygen demand - Google Patents

Colorimetry and colorimeter for chemical oxygen demand

Info

Publication number
JPS5267383A
JPS5267383A JP13645075A JP13645075A JPS5267383A JP S5267383 A JPS5267383 A JP S5267383A JP 13645075 A JP13645075 A JP 13645075A JP 13645075 A JP13645075 A JP 13645075A JP S5267383 A JPS5267383 A JP S5267383A
Authority
JP
Japan
Prior art keywords
colorimetry
colorimeter
oxygen demand
chemical oxygen
kmno4
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP13645075A
Other languages
Japanese (ja)
Other versions
JPS584305B2 (en
Inventor
Yoshitoshi Uematsu
Naoki Yumiba
Shigeru Yoda
Takatoshi Uchitsune
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arkray Inc
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
Kyoto Daiichi Kagaku KK
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 Agency of Industrial Science and Technology, Kyoto Daiichi Kagaku KK filed Critical Agency of Industrial Science and Technology
Priority to JP50136450A priority Critical patent/JPS584305B2/en
Publication of JPS5267383A publication Critical patent/JPS5267383A/en
Publication of JPS584305B2 publication Critical patent/JPS584305B2/en
Expired legal-status Critical Current

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

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)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Abstract

PURPOSE:To prevent the turbidity owing to the formation of MnO2 and perform colorimetry of KMnO4 consumption by using a mixed solution of KMnO4 phosphoric acid and sulfuric acid.
JP50136450A 1975-11-13 1975-11-13 Colorimetric measurement method for chemical oxygen demand Expired JPS584305B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50136450A JPS584305B2 (en) 1975-11-13 1975-11-13 Colorimetric measurement method for chemical oxygen demand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50136450A JPS584305B2 (en) 1975-11-13 1975-11-13 Colorimetric measurement method for chemical oxygen demand

Publications (2)

Publication Number Publication Date
JPS5267383A true JPS5267383A (en) 1977-06-03
JPS584305B2 JPS584305B2 (en) 1983-01-25

Family

ID=15175384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50136450A Expired JPS584305B2 (en) 1975-11-13 1975-11-13 Colorimetric measurement method for chemical oxygen demand

Country Status (1)

Country Link
JP (1) JPS584305B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2365125A (en) * 2000-07-21 2002-02-13 Abb Research Ltd Monitoring liquids
JP2006170897A (en) * 2004-12-17 2006-06-29 Dkk Toa Corp Method and apparatus for measuring chemical oxygen demand (cod)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248390A (en) * 1975-10-15 1977-04-18 Mitsui Toatsu Chem Inc Method of measurement of oxygen consumption in water

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248390A (en) * 1975-10-15 1977-04-18 Mitsui Toatsu Chem Inc Method of measurement of oxygen consumption in water

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2365125A (en) * 2000-07-21 2002-02-13 Abb Research Ltd Monitoring liquids
GB2365125B (en) * 2000-07-21 2004-08-18 Abb Research Ltd Method of and sensor for testing liquids
JP2006170897A (en) * 2004-12-17 2006-06-29 Dkk Toa Corp Method and apparatus for measuring chemical oxygen demand (cod)

Also Published As

Publication number Publication date
JPS584305B2 (en) 1983-01-25

Similar Documents

Publication Publication Date Title
FR2342262B1 (en)
JPS5267383A (en) Colorimetry and colorimeter for chemical oxygen demand
JPS5239643A (en) A process for preparing terephtalic acid
GB1462013A (en) Process for the preparation of trimethylbenzoquinone
JPS5248390A (en) Method of measurement of oxygen consumption in water
JPS5276488A (en) Production of seasoner
JPS5344528A (en) Separation of dihalogenobenzenes
JPS5214708A (en) Process for preparation of choline chloride
JPS5250994A (en) Process for producin brium sulfate
JPS5334715A (en) Preparation of amino-polyacetic acid alkali salt
JPS5252198A (en) Method for preparating barium sulfate
JPS5328116A (en) Preparation of glycine
JPS5375953A (en) Color displayer
JPS5271397A (en) Production of alphagypsum -hemihydrate
JPS53130638A (en) Preparation of liquid dibasic acid anhydride
JPS5262339A (en) Production of insulating coating containing water as solvent
JPS5359622A (en) Preparation of saccharic acid salt mixture
GB1509677A (en) Preparation of anhydro-5-hydroxy-tetracycline
JPS5368768A (en) Preparation of gamma-lactone
JPS535110A (en) Preparation of adipic acid
JPS52104994A (en) Electric quantity titration device
JPS5312865A (en) Preparation of 3-oxy-4h-pyran-4-ones
JPS5222599A (en) Production of alkali hydroxide
JPS5222596A (en) Refinement of phosphoric acid
JPS53131095A (en) Oxygen analyzer of magnetic pressure type