CA1160294A - Testing method for determining the magnetic properties of ferromagnetic powders - Google Patents

Testing method for determining the magnetic properties of ferromagnetic powders

Info

Publication number
CA1160294A
CA1160294A CA000376940A CA376940A CA1160294A CA 1160294 A CA1160294 A CA 1160294A CA 000376940 A CA000376940 A CA 000376940A CA 376940 A CA376940 A CA 376940A CA 1160294 A CA1160294 A CA 1160294A
Authority
CA
Canada
Prior art keywords
heavy medium
range
determined
suspension
amperes
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
CA000376940A
Other languages
English (en)
French (fr)
Inventor
Karlheinz Uhle
Horst Kramer
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1160294A publication Critical patent/CA1160294A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B13/00Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects
    • B03B13/005Methods or arrangements for controlling the physical properties of heavy media, e.g. density, concentration or viscosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B03B5/30Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
    • B03B5/44Application of particular media therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/04Investigating sedimentation of particle suspensions

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Measuring Magnetic Variables (AREA)
CA000376940A 1980-05-16 1981-05-06 Testing method for determining the magnetic properties of ferromagnetic powders Expired CA1160294A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3018640.4 1980-05-16
DE19803018640 DE3018640A1 (de) 1980-05-16 1980-05-16 Pruefverfahren zur ermittlung der magnetischen eigenschaften ferromagnetischer pulver

Publications (1)

Publication Number Publication Date
CA1160294A true CA1160294A (en) 1984-01-10

Family

ID=6102495

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000376940A Expired CA1160294A (en) 1980-05-16 1981-05-06 Testing method for determining the magnetic properties of ferromagnetic powders

Country Status (13)

Country Link
US (1) US4369648A (cg-RX-API-DMAC7.html)
EP (1) EP0040322B1 (cg-RX-API-DMAC7.html)
AT (1) ATE6815T1 (cg-RX-API-DMAC7.html)
AU (1) AU540442B2 (cg-RX-API-DMAC7.html)
BR (1) BR8103023A (cg-RX-API-DMAC7.html)
CA (1) CA1160294A (cg-RX-API-DMAC7.html)
CS (1) CS231177B2 (cg-RX-API-DMAC7.html)
DE (2) DE3018640A1 (cg-RX-API-DMAC7.html)
ES (1) ES8202267A1 (cg-RX-API-DMAC7.html)
GR (1) GR78236B (cg-RX-API-DMAC7.html)
PL (1) PL135294B1 (cg-RX-API-DMAC7.html)
YU (1) YU123881A (cg-RX-API-DMAC7.html)
ZA (1) ZA813240B (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5112653A (en) * 1989-07-03 1992-05-12 Consolidated Papers, Inc. Method of and apparatus for coating high speed traveling webs
CN115739377B (zh) * 2022-11-22 2025-01-03 中南大学 一种高密度重介质悬浮液及配置方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896660A (en) * 1973-12-26 1975-07-29 Univ Michigan Tech Sedimentation device
SU488118A1 (ru) * 1974-03-25 1975-10-15 Институт автоматики и электрометрии СО АН СССР Способ седиментационного анализа
US3985646A (en) * 1974-08-08 1976-10-12 J. M. Huber Corporation Method for magnetic beneficiation of particle dispersions
SU623140A1 (ru) * 1977-02-02 1978-09-05 Ленинградский Государственный Научно-Исследовательский И Проектный Институт Основной Химической Промышленности Способ опредеени характеристик процесса фильтровани

Also Published As

Publication number Publication date
AU7061281A (en) 1981-11-19
US4369648A (en) 1983-01-25
YU123881A (en) 1983-12-31
CS231177B2 (en) 1984-10-15
PL231190A1 (cg-RX-API-DMAC7.html) 1982-02-01
ZA813240B (en) 1982-06-30
ES501931A0 (es) 1982-02-01
GR78236B (cg-RX-API-DMAC7.html) 1984-09-26
PL135294B1 (en) 1985-10-31
AU540442B2 (en) 1984-11-15
ATE6815T1 (de) 1984-04-15
DE3018640A1 (de) 1981-11-26
DE3162745D1 (en) 1984-04-26
BR8103023A (pt) 1982-02-09
EP0040322B1 (de) 1984-03-21
EP0040322A1 (de) 1981-11-25
ES8202267A1 (es) 1982-02-01

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Legal Events

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