BE779176A - Procede de separation de particules par radiation electromagnetique - Google Patents

Procede de separation de particules par radiation electromagnetique

Info

Publication number
BE779176A
BE779176A BE779176A BE779176A BE779176A BE 779176 A BE779176 A BE 779176A BE 779176 A BE779176 A BE 779176A BE 779176 A BE779176 A BE 779176A BE 779176 A BE779176 A BE 779176A
Authority
BE
Belgium
Prior art keywords
particles
separation
electromagnetic radiation
electromagnetic
radiation
Prior art date
Application number
BE779176A
Other languages
English (en)
Inventor
J P F Sellschop
Original Assignee
De Beers Cons Mines Ltd
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 De Beers Cons Mines Ltd filed Critical De Beers Cons Mines Ltd
Publication of BE779176A publication Critical patent/BE779176A/fr

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
BE779176A 1971-02-12 1972-02-10 Procede de separation de particules par radiation electromagnetique BE779176A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA710900A ZA71900B (en) 1971-02-12 1971-02-12 Separation of particles by electromagnetic radiation

Publications (1)

Publication Number Publication Date
BE779176A true BE779176A (fr) 1972-05-30

Family

ID=25563041

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779176A BE779176A (fr) 1971-02-12 1972-02-10 Procede de separation de particules par radiation electromagnetique

Country Status (7)

Country Link
BE (1) BE779176A (fr)
GB (1) GB1384813A (fr)
IE (1) IE36075B1 (fr)
IL (1) IL38744A (fr)
NL (1) NL7201821A (fr)
OA (1) OA04073A (fr)
ZA (1) ZA71900B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429624A1 (fr) * 1978-06-27 1980-01-25 Andrianavalontsalama Castel Ca Appareil et procede mis en oeuvre pour le triage de produits granuleux ou en blocs en utilisant la propriete qu'ils ont de diffuser certaines radiations
GB8531330D0 (en) * 1985-12-19 1986-01-29 British Petroleum Co Plc Differentiation process
GB2215041A (en) * 1988-01-29 1989-09-13 Argyle Diamond Sales Sorting and/or confirming the identity of gems
US5206699A (en) * 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones
GB9417665D0 (en) * 1994-09-02 1994-10-19 Gersan Ets Distinguishing natural from synthetic diamond
US5932119A (en) 1996-01-05 1999-08-03 Lazare Kaplan International, Inc. Laser marking system
RU2137556C1 (ru) * 1998-07-20 1999-09-20 Акционерная компания "Алмазы России-Саха" Индикатор для контроля процесса сепарации алмазосодержащего сырья
RU2162747C1 (ru) * 1999-05-19 2001-02-10 Акционерная компания "АЛРОСА" ЗАО Индикатор для контроля процесса сепарации алмазосодержащего сырья
RU2170628C2 (ru) * 1999-06-08 2001-07-20 Акционерная компания "АЛРОСА" (Закрытое акционерное общество) Способ сепарации минералов
US6377340B1 (en) 1999-10-29 2002-04-23 General Electric Company Method of detection of natural diamonds that have been processed at high pressure and high temperatures
RU2187376C1 (ru) * 2001-03-11 2002-08-20 Акционерная компания "АЛРОСА" (Закрытое акционерное общество) Способ сепарации минералов
CA2559516C (fr) * 2004-03-12 2012-07-10 University Of The Witwatersrand Johannesburg Detection de diamants
RU2269381C1 (ru) * 2004-06-21 2006-02-10 Акционерная компания "АЛРОСА" (ЗАО) Имитатор алмаза для контроля процесса сепарации алмазосодержащего сырья
GB201511461D0 (en) 2015-06-30 2015-08-12 Beers Uk De Ltd Luminescence measurements in diamond
GB201622314D0 (en) * 2016-12-28 2017-02-08 Beers De Uk Ltd Identification of mounted gemstones

Also Published As

Publication number Publication date
ZA71900B (en) 1972-08-30
GB1384813A (en) 1975-02-26
IL38744A0 (en) 1972-04-27
NL7201821A (fr) 1972-08-15
IL38744A (en) 1975-04-25
IE36075L (en) 1972-08-12
IE36075B1 (en) 1976-08-04
OA04073A (fr) 1979-10-30

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