AU2005220403B2 - Detection of diamonds - Google Patents

Detection of diamonds Download PDF

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Publication number
AU2005220403B2
AU2005220403B2 AU2005220403A AU2005220403A AU2005220403B2 AU 2005220403 B2 AU2005220403 B2 AU 2005220403B2 AU 2005220403 A AU2005220403 A AU 2005220403A AU 2005220403 A AU2005220403 A AU 2005220403A AU 2005220403 B2 AU2005220403 B2 AU 2005220403B2
Authority
AU
Australia
Prior art keywords
diamond
particles
particle
photons
carbon
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.)
Active
Application number
AU2005220403A
Other languages
English (en)
Other versions
AU2005220403A1 (en
Inventor
Simon Henry Connell
Jacques Pierre Freidrich Sellschop
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.)
SELLSCHOP SUSAN MARIETTA
University of the Witwatersrand, Johannesburg
Original Assignee
Johannesburg Witwatersrand, University of
University of the Witwatersrand, Johannesburg
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 Johannesburg Witwatersrand, University of, University of the Witwatersrand, Johannesburg filed Critical Johannesburg Witwatersrand, University of
Publication of AU2005220403A1 publication Critical patent/AU2005220403A1/en
Application granted granted Critical
Publication of AU2005220403B2 publication Critical patent/AU2005220403B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G01N23/221—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 activation analysis
    • 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

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)
  • Analysing Materials By The Use Of Radiation (AREA)
AU2005220403A 2004-03-12 2005-03-14 Detection of diamonds Active AU2005220403B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA200402010 2004-03-12
ZA2004/2010 2004-03-12
PCT/IB2005/000643 WO2005088283A1 (en) 2004-03-12 2005-03-14 Detection of diamonds

Publications (2)

Publication Number Publication Date
AU2005220403A1 AU2005220403A1 (en) 2005-09-22
AU2005220403B2 true AU2005220403B2 (en) 2010-12-09

Family

ID=34962210

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2005220403A Active AU2005220403B2 (en) 2004-03-12 2005-03-14 Detection of diamonds

Country Status (7)

Country Link
CN (1) CN1942759B (zh)
AP (1) AP1986A (zh)
AU (1) AU2005220403B2 (zh)
CA (1) CA2559516C (zh)
RU (1) RU2334974C2 (zh)
WO (1) WO2005088283A1 (zh)
ZA (1) ZA200608025B (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AP2011005890A0 (en) * 2009-02-23 2011-10-31 Tech Resources Pty Ltd Detecting a mineral within a material.
KR101440736B1 (ko) 2010-06-03 2014-09-17 엘리멘트 식스 리미티드 다이아몬드 공구
WO2012016286A1 (en) * 2010-08-04 2012-02-09 Technological Resources Pty. Limited Sorting mined material
RU2470714C1 (ru) * 2011-07-21 2012-12-27 Общество с ограниченной ответственностью "Лаборатория рентгенодиагностических систем" Способ сепарации алмазов
GB2504052B (en) * 2012-03-16 2017-05-10 De Beers Uk Ltd Sorting aggregate material
RU2517148C1 (ru) * 2012-12-28 2014-05-27 Евгений Матвеевич Лукьянченко Способ сепарации частиц полезного материала и устройство для его осуществления
RU2521723C1 (ru) * 2013-03-01 2014-07-10 Общество с ограниченной ответственностью "Нейтронные технологии" Способ и устройство для обнаружения алмазов в кимберлите
RU2612734C2 (ru) * 2015-08-18 2017-03-13 Общество с ограниченной ответственностью "Диамант" Установка для сухого обогащения кимберлитовой руды методом меченых нейтронов
CN105499156B (zh) * 2015-12-02 2019-03-01 虞雅仙 一种水钻检查方法
RU2670677C9 (ru) * 2017-02-07 2019-09-13 Акционерная компания "АЛРОСА" (публичное акционерное общество) "АК "АЛРОСА" (ПАО)) Устройство для сепарации алмазов
CN111433635B (zh) * 2017-10-19 2023-09-15 约翰内斯堡大学 伽玛射线层析摄影
WO2020121214A1 (en) * 2018-12-11 2020-06-18 University Of Johannesburg Detector arrangement, detection system and method of processing data from a detector arrangement for high throughput data handling
WO2020152618A1 (en) * 2019-01-23 2020-07-30 University Of Johannesburg Detector arrangement, detection system and method of positioning a detector arrangement to reduce imaging artefacts
NL2026338B1 (en) * 2020-08-25 2022-04-29 Univ Johannesburg Material analysis method and system
CN112024451B (zh) * 2020-08-28 2021-08-31 北京科技大学 一种基于受试者操作特征曲线分析的矿石拣选决策方法
EP4208301A4 (en) * 2020-09-02 2024-05-29 Botswana International Univ Of Science And Technology DIAMOND SORTING METHOD AND SYSTEM

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059033A1 (en) * 1981-02-24 1982-09-01 Sphere Investments Limited Ore sorting
US4428902A (en) * 1981-05-13 1984-01-31 Murray Kenneth M Coal analysis system
GB2285506A (en) * 1994-01-07 1995-07-12 De Beers Ind Diamond Detecting diamond inclusions in kimberlite particles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756866A (en) * 1985-10-09 1988-07-12 Alvarez Luis W Nitrogen detection
GB2219394B (en) * 1988-05-06 1992-09-16 Gersan Ets Sensing a narrow frequency band of radiation and examining objects or zones
GB2219081B (en) * 1988-05-06 1992-12-02 Gersan Ets Identifying specific objects or zones
US5334652A (en) * 1991-06-18 1994-08-02 Exxon Chemical Patents, Inc. Polyester-based coating compositions having high pigment-to-binder ratios
CA2138503C (en) * 1993-12-22 2004-10-12 Ulf Anders Staffan Tapper Method and apparatus for the classification of particulate matter
CN1363836A (zh) * 2001-08-18 2002-08-14 李晓蔚 纯天然制品的判定方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059033A1 (en) * 1981-02-24 1982-09-01 Sphere Investments Limited Ore sorting
US4428902A (en) * 1981-05-13 1984-01-31 Murray Kenneth M Coal analysis system
GB2285506A (en) * 1994-01-07 1995-07-12 De Beers Ind Diamond Detecting diamond inclusions in kimberlite particles

Also Published As

Publication number Publication date
AP1986A (en) 2009-04-01
RU2334974C2 (ru) 2008-09-27
RU2006135960A (ru) 2008-04-20
CN1942759A (zh) 2007-04-04
AU2005220403A1 (en) 2005-09-22
CA2559516A1 (en) 2005-09-22
CN1942759B (zh) 2011-01-12
ZA200608025B (en) 2008-06-25
CA2559516C (en) 2012-07-10
WO2005088283A1 (en) 2005-09-22
AP2006003753A0 (en) 2006-10-31

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