JPS5313489A - Colorimetric analysis - Google Patents

Colorimetric analysis

Info

Publication number
JPS5313489A
JPS5313489A JP8733276A JP8733276A JPS5313489A JP S5313489 A JPS5313489 A JP S5313489A JP 8733276 A JP8733276 A JP 8733276A JP 8733276 A JP8733276 A JP 8733276A JP S5313489 A JPS5313489 A JP S5313489A
Authority
JP
Japan
Prior art keywords
colorimetric analysis
solution
absorbance
kinds
allowing
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
JP8733276A
Other languages
Japanese (ja)
Other versions
JPS5651581B2 (en
Inventor
Yoshiteru Furuta
Yasushi Nomura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8733276A priority Critical patent/JPS5313489A/en
Publication of JPS5313489A publication Critical patent/JPS5313489A/en
Publication of JPS5651581B2 publication Critical patent/JPS5651581B2/ja
Granted 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

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)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

PURPOSE:To make measured values of absorbance stably constant irrespective of the temperature change of a sample solution without use of a thermostat measurement cell by allowing two kinds of specific buffer agents co-present in the solution.
JP8733276A 1976-07-23 1976-07-23 Colorimetric analysis Granted JPS5313489A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8733276A JPS5313489A (en) 1976-07-23 1976-07-23 Colorimetric analysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8733276A JPS5313489A (en) 1976-07-23 1976-07-23 Colorimetric analysis

Publications (2)

Publication Number Publication Date
JPS5313489A true JPS5313489A (en) 1978-02-07
JPS5651581B2 JPS5651581B2 (en) 1981-12-07

Family

ID=13911908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8733276A Granted JPS5313489A (en) 1976-07-23 1976-07-23 Colorimetric analysis

Country Status (1)

Country Link
JP (1) JPS5313489A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830666A (en) * 1981-08-19 1983-02-23 Oriental Yeast Co Ltd Stabilizing device for buffer solution
US5342511A (en) * 1993-07-06 1994-08-30 Baldwin Filters, Inc. Oil filter with inner and outer coaxial filter elements
JP2016028234A (en) * 2014-07-09 2016-02-25 アークレイ株式会社 Buffer agent composition

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830666A (en) * 1981-08-19 1983-02-23 Oriental Yeast Co Ltd Stabilizing device for buffer solution
US5342511A (en) * 1993-07-06 1994-08-30 Baldwin Filters, Inc. Oil filter with inner and outer coaxial filter elements
JP2016028234A (en) * 2014-07-09 2016-02-25 アークレイ株式会社 Buffer agent composition
US9528963B2 (en) 2014-07-09 2016-12-27 Arkray, Inc. Buffer composition

Also Published As

Publication number Publication date
JPS5651581B2 (en) 1981-12-07

Similar Documents

Publication Publication Date Title
JPS51114985A (en) Mothod to analyse urine, etc.
DD136545A1 (en) MEASUREMENT PROBE FOR DETERMINING ION CONCENTRATION IN LIQUIDS
JPS5313983A (en) Optically measuring instrument for concentration of component to be measured
JPS5292792A (en) Liquid analyzing instrument
GB973807A (en) Improvements in instruments for determining characteristics of blood
JPS52136689A (en) Sensor for measuring concentration of specific substance in fluid
JPS5529780A (en) Colorimetric analyzer
JPS5313489A (en) Colorimetric analysis
ES234148U (en) Cuvette for automatic chemical testing apparatus
JPS52105877A (en) Measurement of water content trapped in granular body
CS186469B1 (en) Connexion of the temperature compensation of the ultrasound meter of the solution concentration
JPS51136490A (en) Microwave moisture meter
JPS5315868A (en) Temperature measuring device
JPS5432387A (en) Analyzing apparatus
JPS5217074A (en) Measuring method of gas concentration by non-dispersion type infraed r ay analysis
AT358532B (en) POLAROGRAPHIC OXYGEN MEASURING CELL
ES235461Y (en) MEASURING CELL THAT ALLOWS TO DETERMINE THE OXYGEN CONCENTRATION IN A GASEOUS MIXTURE.
JPS5258564A (en) Concentration meter
JPS53106185A (en) Absorption analyzer
JPS5311080A (en) Colorimeter
JPS53100293A (en) Gas densitometer
JPS5337492A (en) Method and apparatus for flame light analysis
JPS5587030A (en) Reaction rate measuring instrument
JPS5359490A (en) Reagent for measuring concentration of zinc in solution
JPS5565118A (en) Measuring method of liquid surface in tank