FR896647A - Temperature compensating arrangement for electrometric measurement of the ph value using amplifiers - Google Patents

Temperature compensating arrangement for electrometric measurement of the ph value using amplifiers

Info

Publication number
FR896647A
FR896647A FR896647DA FR896647A FR 896647 A FR896647 A FR 896647A FR 896647D A FR896647D A FR 896647DA FR 896647 A FR896647 A FR 896647A
Authority
FR
France
Prior art keywords
amplifiers
value
temperature compensating
compensating arrangement
electrometric
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
Other languages
French (fr)
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.)
Firme W H Johens & Co
Original Assignee
Firme W H Johens & Co
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 Firme W H Johens & Co filed Critical Firme W H Johens & Co
Application granted granted Critical
Publication of FR896647A publication Critical patent/FR896647A/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
    • 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
    • G01N27/4167—Systems measuring a particular property of an electrolyte pH
FR896647D 1942-08-29 1943-07-21 Temperature compensating arrangement for electrometric measurement of the ph value using amplifiers Expired FR896647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE896647X 1942-08-29

Publications (1)

Publication Number Publication Date
FR896647A true FR896647A (en) 1945-02-27

Family

ID=6848277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR896647D Expired FR896647A (en) 1942-08-29 1943-07-21 Temperature compensating arrangement for electrometric measurement of the ph value using amplifiers

Country Status (1)

Country Link
FR (1) FR896647A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476317A1 (en) * 1980-02-19 1981-08-21 Orion Research APPARATUS AND METHOD FOR ION ASSAY

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476317A1 (en) * 1980-02-19 1981-08-21 Orion Research APPARATUS AND METHOD FOR ION ASSAY

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