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

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting 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
    • B07C5/34Sorting according to other particular properties
    • B07C5/346Sorting 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
IL89100A0 (en) * 1988-01-29 1989-08-15 Argyle Diamond Sales Method and apparatus for 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
RU2334974C2 (ru) * 2004-03-12 2008-09-27 Зелльшоп Сусан Мариетта Обнаружение алмазов
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
IL38744A (en) 1975-04-25
IL38744A0 (en) 1972-04-27
IE36075L (en) 1972-08-12
IE36075B1 (en) 1976-08-04
ZA71900B (en) 1972-08-30
GB1384813A (en) 1975-02-26
OA04073A (fr) 1979-10-30
NL7201821A (fr) 1972-08-15

Similar Documents

Publication Publication Date Title
BE788871A (fr) Procede de separation par extraction et
BE785637A (fr) Procede de preparation de molybdene-99 radioactif
BE779176A (fr) Procede de separation de particules par radiation electromagnetique
BE753616A (fr) Procede de preparation de mercaptoalcoylalcoxysilanes
BE764902A (fr) Procede de separation de particules magnetisables
BE779173A (fr) Procede de separation de particules par radiation electromagnetique
BE754962A (fr) Procede de production de solides par solidification orientee
FR2299428A1 (fr) Procede de
BE767689A (fr) Procede de preparation de 7-halogenolincomycines
BE776530A (fr) Procede pour la preparation de 5-vinylnorbornene-2
BE748688A (fr) Procede de production de particules spheriques
BE793087A (fr) Procede de separation par extraction et
BE772049A (fr) Procede pour la preparation de 4-oxocapronitrile
BE767822A (fr) Procede de preparation en continu de m-alcoylphenols
BE789702A (fr) Procede de preparation de dinitroanthraquinones
RO68997A (fr) Procede de preparation des phenyle-derives
BE758474A (fr) Procede de preparation de 4-alkoxy-3-aminobenzoates de 2-dialkylaminoethyle
BE781110A (fr) Procede de realisation de particules fortement magnetiques
BE781109A (fr) Procede de preparation de petites particules
BE766238A (fr) Procede pour la preparation de piperidyl-steroides
BE768979A (fr) Procede de preparation de composes bromes de styrene- halogenocyclopentadiene
BE761985A (fr) Procede de preparation de n-alcoyl-dimethylamines
BE769220A (fr) Procede de preparation de 3-difluorochloromethylaniline
BE767583A (fr) Procede de separation de neptunium du plutonium
BE759536A (fr) Procede de preparation de 1-methyl-3-phenylindanes