GB178290A - Improvements in refractometers - Google Patents

Improvements in refractometers

Info

Publication number
GB178290A
GB178290A GB8322/21A GB832221A GB178290A GB 178290 A GB178290 A GB 178290A GB 8322/21 A GB8322/21 A GB 8322/21A GB 832221 A GB832221 A GB 832221A GB 178290 A GB178290 A GB 178290A
Authority
GB
United Kingdom
Prior art keywords
refractometers
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.)
Expired
Application number
GB8322/21A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8322/21A priority Critical patent/GB178290A/en
Publication of GB178290A publication Critical patent/GB178290A/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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/4133—Refractometers, e.g. differential
    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle

Landscapes

  • Physics & Mathematics (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)
GB8322/21A 1921-03-17 1921-03-17 Improvements in refractometers Expired GB178290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8322/21A GB178290A (en) 1921-03-17 1921-03-17 Improvements in refractometers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8322/21A GB178290A (en) 1921-03-17 1921-03-17 Improvements in refractometers

Publications (1)

Publication Number Publication Date
GB178290A true GB178290A (en) 1922-04-20

Family

ID=9850300

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8322/21A Expired GB178290A (en) 1921-03-17 1921-03-17 Improvements in refractometers

Country Status (1)

Country Link
GB (1) GB178290A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574734A (en) * 1949-07-20 1951-11-13 Bausch & Lomb Abbe type refractometer
CN107238581A (en) * 2017-04-20 2017-10-10 中国计量大学 A kind of low intelligent refraction instrument of operation difficulty based on Internet of Things

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574734A (en) * 1949-07-20 1951-11-13 Bausch & Lomb Abbe type refractometer
CN107238581A (en) * 2017-04-20 2017-10-10 中国计量大学 A kind of low intelligent refraction instrument of operation difficulty based on Internet of Things
CN107238581B (en) * 2017-04-20 2023-05-23 中国计量大学 Intelligent refractometer with low operation difficulty based on Internet of things

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