GB172621A - Improvements in refractometers - Google Patents

Improvements in refractometers

Info

Publication number
GB172621A
GB172621A GB31747/21A GB3174721A GB172621A GB 172621 A GB172621 A GB 172621A GB 31747/21 A GB31747/21 A GB 31747/21A GB 3174721 A GB3174721 A GB 3174721A GB 172621 A GB172621 A GB 172621A
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
GB31747/21A
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Publication of GB172621A publication Critical patent/GB172621A/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
    • G01N21/43—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)
GB31747/21A 1920-12-09 1921-11-28 Improvements in refractometers Expired GB172621A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE172621X 1920-12-09

Publications (1)

Publication Number Publication Date
GB172621A true GB172621A (en) 1922-03-16

Family

ID=5690153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31747/21A Expired GB172621A (en) 1920-12-09 1921-11-28 Improvements in refractometers

Country Status (1)

Country Link
GB (1) GB172621A (en)

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