NL170332B - DEVICE FOR MEASURING THE CONCENTRATION OF A SOLUTION. - Google Patents

DEVICE FOR MEASURING THE CONCENTRATION OF A SOLUTION.

Info

Publication number
NL170332B
NL170332B NL7105765A NL7105765A NL170332B NL 170332 B NL170332 B NL 170332B NL 7105765 A NL7105765 A NL 7105765A NL 7105765 A NL7105765 A NL 7105765A NL 170332 B NL170332 B NL 170332B
Authority
NL
Netherlands
Prior art keywords
concentration
measuring
solution
Prior art date
Application number
NL7105765A
Other languages
Dutch (nl)
Other versions
NL7105765A (en
NL170332C (en
Original Assignee
Sopelem
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 Sopelem filed Critical Sopelem
Publication of NL7105765A publication Critical patent/NL7105765A/xx
Publication of NL170332B publication Critical patent/NL170332B/en
Application granted granted Critical
Publication of NL170332C publication Critical patent/NL170332C/en

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
NL7105765A 1970-06-23 1971-04-28 DEVICE FOR MEASURING THE CONCENTRATION OF A SOLUTION. NL170332C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7023157A FR2094486A5 (en) 1970-06-23 1970-06-23

Publications (3)

Publication Number Publication Date
NL7105765A NL7105765A (en) 1971-12-27
NL170332B true NL170332B (en) 1982-05-17
NL170332C NL170332C (en) 1982-10-18

Family

ID=9057639

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7105765A NL170332C (en) 1970-06-23 1971-04-28 DEVICE FOR MEASURING THE CONCENTRATION OF A SOLUTION.

Country Status (5)

Country Link
DE (1) DE2120421C3 (en)
ES (1) ES389797A1 (en)
FR (1) FR2094486A5 (en)
GB (1) GB1308870A (en)
NL (1) NL170332C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500930B1 (en) * 1980-11-14 1985-12-06 Sopelem REFRACTOMETER USING THE LIMIT ANGLE METHOD
FR2536537A1 (en) * 1982-11-22 1984-05-25 Alexandre Laugier Method and refractometer for measuring the refractive index of a liquid and application to the measurement of the alcoholic strength of a must

Also Published As

Publication number Publication date
NL7105765A (en) 1971-12-27
FR2094486A5 (en) 1972-02-04
DE2120421B2 (en) 1973-08-16
DE2120421A1 (en) 1971-12-30
ES389797A1 (en) 1973-06-01
NL170332C (en) 1982-10-18
DE2120421C3 (en) 1974-03-28
GB1308870A (en) 1973-03-07

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee