JPS5441184A - Two wavelength spectrophotometer - Google Patents

Two wavelength spectrophotometer

Info

Publication number
JPS5441184A
JPS5441184A JP10670077A JP10670077A JPS5441184A JP S5441184 A JPS5441184 A JP S5441184A JP 10670077 A JP10670077 A JP 10670077A JP 10670077 A JP10670077 A JP 10670077A JP S5441184 A JPS5441184 A JP S5441184A
Authority
JP
Japan
Prior art keywords
base line
wavelength spectrophotometer
subtracts
digital
detector
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
JP10670077A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6140927B2 (enrdf_load_stackoverflow
Inventor
Tadashi Motokawa
Masayuki Sengoku
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 JP10670077A priority Critical patent/JPS5441184A/ja
Publication of JPS5441184A publication Critical patent/JPS5441184A/ja
Publication of JPS6140927B2 publication Critical patent/JPS6140927B2/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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
JP10670077A 1977-09-07 1977-09-07 Two wavelength spectrophotometer Granted JPS5441184A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10670077A JPS5441184A (en) 1977-09-07 1977-09-07 Two wavelength spectrophotometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10670077A JPS5441184A (en) 1977-09-07 1977-09-07 Two wavelength spectrophotometer

Publications (2)

Publication Number Publication Date
JPS5441184A true JPS5441184A (en) 1979-04-02
JPS6140927B2 JPS6140927B2 (enrdf_load_stackoverflow) 1986-09-11

Family

ID=14440278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10670077A Granted JPS5441184A (en) 1977-09-07 1977-09-07 Two wavelength spectrophotometer

Country Status (1)

Country Link
JP (1) JPS5441184A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788349A (en) * 1980-11-21 1982-06-02 Toshiba Corp Biochemical analysing apparatus
JPS5924221A (ja) * 1982-07-30 1984-02-07 Shimadzu Corp 分光光度計
JPS63314423A (ja) * 1988-06-09 1988-12-22 Shimadzu Corp 二波長分光光度計

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788349A (en) * 1980-11-21 1982-06-02 Toshiba Corp Biochemical analysing apparatus
JPS5924221A (ja) * 1982-07-30 1984-02-07 Shimadzu Corp 分光光度計
JPS63314423A (ja) * 1988-06-09 1988-12-22 Shimadzu Corp 二波長分光光度計

Also Published As

Publication number Publication date
JPS6140927B2 (enrdf_load_stackoverflow) 1986-09-11

Similar Documents

Publication Publication Date Title
JPS5467454A (en) Meter with pointer
JPS5352180A (en) Two light beams spectrophotometer
AU519765B2 (en) An electronic watthour meter
JPS55132923A (en) Remoteecontrolled measuring spectrophotometer
AU502695B1 (en) Doppler spectral measurement
LU79609A1 (fr) Capteur solaire
JPS5441184A (en) Two wavelength spectrophotometer
NL7713232A (nl) Spectraalmeter.
GB2072857B (en) Constant accuracy turbine meter
DE2963677D1 (en) Photometer with interchangeable calibration scales
BE867147A (fr) Capteur solaire
JPS5385482A (en) Optimum sensitivity detector of spectrophotometer
JPS5231783A (en) Multiple wavelength colorimeter
JPS5397313A (en) Signal output indicator
JPS52104289A (en) Atomic spectrum generator
JPS52119376A (en) Spectrophotometer
JPS5288382A (en) Light power measuring instrument
LU78991A1 (fr) Capteur solaire
JPS5284755A (en) Device for automatically calibrating wavelength of spectrometer
JPS53148292A (en) Direct viewing apparatus of light output to current characteristics of semiconductor lasers
JPS53135365A (en) Weighing meter
JPS5377659A (en) Distance detector
JPS536090A (en) Zero adjustment circuit of spectrophotometer
JPS5233778A (en) Direct reading type clouiness value measuring device
CS182046B1 (en) Mains-frequency measuring circuit with analog output