ES390441A1 - Aparato para la rapida determinacion electrometrica de ac- tividades ionicas. - Google Patents

Aparato para la rapida determinacion electrometrica de ac- tividades ionicas.

Info

Publication number
ES390441A1
ES390441A1 ES390441A ES390441A ES390441A1 ES 390441 A1 ES390441 A1 ES 390441A1 ES 390441 A ES390441 A ES 390441A ES 390441 A ES390441 A ES 390441A ES 390441 A1 ES390441 A1 ES 390441A1
Authority
ES
Spain
Prior art keywords
circuit
point
indicating
nul
ion
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
ES390441A
Other languages
English (en)
Spanish (es)
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
Publication of ES390441A1 publication Critical patent/ES390441A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/4166—Systems measuring a particular property of an electrolyte
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
    • H03F3/1855—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices with junction-FET devices

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Power Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
ES390441A 1970-04-24 1971-04-22 Aparato para la rapida determinacion electrometrica de ac- tividades ionicas. Expired ES390441A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH623570A CH520929A (de) 1970-04-24 1970-04-24 Verfahren und Vorrichtung zur elektrometrischen Schnellbestimmung von Ionenaktivitäten

Publications (1)

Publication Number Publication Date
ES390441A1 true ES390441A1 (es) 1974-04-01

Family

ID=4306384

Family Applications (1)

Application Number Title Priority Date Filing Date
ES390441A Expired ES390441A1 (es) 1970-04-24 1971-04-22 Aparato para la rapida determinacion electrometrica de ac- tividades ionicas.

Country Status (4)

Country Link
CH (1) CH520929A (de)
DE (1) DE2118876C3 (de)
ES (1) ES390441A1 (de)
ZA (1) ZA712626B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK155556C (da) * 1981-03-20 1989-10-09 Radiometer As Termostateret elektrodeanordning

Also Published As

Publication number Publication date
DE2118876A1 (de) 1971-11-04
DE2118876B2 (de) 1978-12-07
ZA712626B (en) 1972-01-26
DE2118876C3 (de) 1979-08-09
CH520929A (de) 1972-03-31

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