FR2271880B1 - - Google Patents

Info

Publication number
FR2271880B1
FR2271880B1 FR7417779A FR7417779A FR2271880B1 FR 2271880 B1 FR2271880 B1 FR 2271880B1 FR 7417779 A FR7417779 A FR 7417779A FR 7417779 A FR7417779 A FR 7417779A FR 2271880 B1 FR2271880 B1 FR 2271880B1
Authority
FR
France
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
FR7417779A
Other languages
French (fr)
Other versions
FR2271880A1 (en
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Priority to FR7417779A priority Critical patent/FR2271880A1/en
Publication of FR2271880A1 publication Critical patent/FR2271880A1/en
Application granted granted Critical
Publication of FR2271880B1 publication Critical patent/FR2271880B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/346—Sorting according to other particular properties according to radioactive properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/07—Investigating materials by wave or particle radiation secondary emission
    • G01N2223/076—X-ray fluorescence

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)
  • Manufacture And Refinement Of Metals (AREA)
FR7417779A 1974-05-22 1974-05-22 High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium Granted FR2271880A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7417779A FR2271880A1 (en) 1974-05-22 1974-05-22 High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417779A FR2271880A1 (en) 1974-05-22 1974-05-22 High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium

Publications (2)

Publication Number Publication Date
FR2271880A1 FR2271880A1 (en) 1975-12-19
FR2271880B1 true FR2271880B1 (en) 1977-03-11

Family

ID=9139153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417779A Granted FR2271880A1 (en) 1974-05-22 1974-05-22 High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium

Country Status (1)

Country Link
FR (1) FR2271880A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425143A (en) 1978-12-29 1984-01-10 Shin Tohoku Chemical Industries Inc. Adsorption by zeolitic composition

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1593991A (en) * 1977-05-31 1981-07-22 Coal Industry Patents Ltd Method of and apparatus for determining the proportion of at least one material in a moving mixture of materials
DE2907513C2 (en) * 1979-02-26 1982-11-11 Battelle-Institut E.V., 6000 Frankfurt Sampling procedure for determining the chemical composition of macroscopic components of materials
EP0074447B1 (en) * 1981-09-15 1987-01-07 Resource Recovery Limited Apparatus and method for sorting articles
DE3275274D1 (en) * 1982-06-07 1987-03-05 Sczimarowski Klaus Device for sorting metal pieces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425143A (en) 1978-12-29 1984-01-10 Shin Tohoku Chemical Industries Inc. Adsorption by zeolitic composition

Also Published As

Publication number Publication date
FR2271880A1 (en) 1975-12-19

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Legal Events

Date Code Title Description
ST Notification of lapse