FR2602337A1 - Procede et dispositif pour la determination de la presence dans une solution aqueuse de tensioactifs - Google Patents

Procede et dispositif pour la determination de la presence dans une solution aqueuse de tensioactifs Download PDF

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Publication number
FR2602337A1
FR2602337A1 FR8710698A FR8710698A FR2602337A1 FR 2602337 A1 FR2602337 A1 FR 2602337A1 FR 8710698 A FR8710698 A FR 8710698A FR 8710698 A FR8710698 A FR 8710698A FR 2602337 A1 FR2602337 A1 FR 2602337A1
Authority
FR
France
Prior art keywords
solution
air
surfactants
foam
measuring cell
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.)
Pending
Application number
FR8710698A
Other languages
English (en)
French (fr)
Inventor
Willy Bonsels
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2602337A1 publication Critical patent/FR2602337A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N13/02—Investigating surface tension of liquids
    • G01N2013/0241—Investigating surface tension of liquids bubble, pendant drop, sessile drop methods
    • G01N2013/025—Measuring foam stability

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)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR8710698A 1986-07-30 1987-07-28 Procede et dispositif pour la determination de la presence dans une solution aqueuse de tensioactifs Pending FR2602337A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863625817 DE3625817A1 (de) 1986-07-30 1986-07-30 Verfahren und vorrichtung zur bestimmung von in einer waessrigen loesung vorhandenen tensiden

Publications (1)

Publication Number Publication Date
FR2602337A1 true FR2602337A1 (fr) 1988-02-05

Family

ID=6306331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8710698A Pending FR2602337A1 (fr) 1986-07-30 1987-07-28 Procede et dispositif pour la determination de la presence dans une solution aqueuse de tensioactifs

Country Status (3)

Country Link
DE (1) DE3625817A1 (enExample)
FR (1) FR2602337A1 (enExample)
IT (1) IT1227935B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4300514A1 (de) * 1993-01-12 1994-07-14 Miele & Cie Verfahren zur Bestimmung der freien Tenside in wäßrigen Öl-Wasser-Emulsionen
US5597950A (en) * 1994-11-03 1997-01-28 The Regents Of The University Of California Office Of Technology Transfer Surfactant monitoring by foam generation
DE10063005A1 (de) * 2000-12-16 2002-07-25 Alwin Stewen Verfahren und Vorrichtung zur Charakterisierung von Schäumen.
DE10358647B4 (de) * 2003-12-15 2005-10-13 Elektromanufaktur Zangenstein Hanauer Gmbh & Co. Kgaa Sensor zur Transmissionsmessung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218698A (en) * 1937-08-09 1940-10-22 Bendix Home Appliances Inc Washing machine
GB1130251A (en) * 1966-02-11 1968-10-16 Process Units Halifax Ltd Improvements in washing machines
DE2551260A1 (de) * 1975-11-14 1977-05-18 Wacker Chemie Gmbh Verfahren und vorrichtung zur pruefung der schaumstabilitaet
GB2158574A (en) * 1984-05-05 1985-11-13 British Petroleum Co Plc Apparatus for measuring foam stability

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218698A (en) * 1937-08-09 1940-10-22 Bendix Home Appliances Inc Washing machine
GB1130251A (en) * 1966-02-11 1968-10-16 Process Units Halifax Ltd Improvements in washing machines
DE2551260A1 (de) * 1975-11-14 1977-05-18 Wacker Chemie Gmbh Verfahren und vorrichtung zur pruefung der schaumstabilitaet
GB2158574A (en) * 1984-05-05 1985-11-13 British Petroleum Co Plc Apparatus for measuring foam stability

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, vol. IA-20, no. 5, septembre/octobre 1984, pages 1171-1178, IEEE, New York, US; K. MATSUO et al.: "A new control device for washing machines using a microcomputer and detectors" *

Also Published As

Publication number Publication date
DE3625817A1 (de) 1988-02-04
IT1227935B (it) 1991-05-14
IT8721446A0 (it) 1987-07-24
DE3625817C2 (enExample) 1989-07-06

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