ZA89663B - Method of and apparatus for sorting and/or confirming the identity of gems - Google Patents

Method of and apparatus for sorting and/or confirming the identity of gems

Info

Publication number
ZA89663B
ZA89663B ZA89663A ZA89663A ZA89663B ZA 89663 B ZA89663 B ZA 89663B ZA 89663 A ZA89663 A ZA 89663A ZA 89663 A ZA89663 A ZA 89663A ZA 89663 B ZA89663 B ZA 89663B
Authority
ZA
South Africa
Prior art keywords
gems
sorting
confirming
identity
Prior art date
Application number
ZA89663A
Inventor
Anthony Clive Curtis
Clive Curtis Anthony
Original Assignee
Argyle Diamond Sales
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 Argyle Diamond Sales filed Critical Argyle Diamond Sales
Publication of ZA89663B publication Critical patent/ZA89663B/en

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
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
    • B07C5/3427—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain by changing or intensifying the optical properties prior to scanning, e.g. by inducing fluorescence under UV or x-radiation, subjecting the material to a chemical reaction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
    • G01J3/4406—Fluorescence spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N2021/845—Objects on a conveyor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6489—Photoluminescence of semiconductors

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)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Sorting Of Articles (AREA)
ZA89663A 1988-01-29 1989-01-27 Method of and apparatus for sorting and/or confirming the identity of gems ZA89663B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPI647788 1988-01-29

Publications (1)

Publication Number Publication Date
ZA89663B true ZA89663B (en) 1989-10-25

Family

ID=3772749

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA89663A ZA89663B (en) 1988-01-29 1989-01-27 Method of and apparatus for sorting and/or confirming the identity of gems

Country Status (6)

Country Link
CN (1) CN1037966A (en)
AU (1) AU2889289A (en)
BE (1) BE1002936A4 (en)
GB (1) GB2215041A (en)
IL (1) IL89100A0 (en)
ZA (1) ZA89663B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4994667A (en) * 1988-09-08 1991-02-19 Brown Neville E Sorting apparatus with controllable windows and fiber optics
IL92133A (en) * 1989-10-27 1993-01-31 Uri Neta Haifa And Aharon Yifr Method and apparatus for identifying gemstones, particularly diamonds
US5835200A (en) * 1990-04-24 1998-11-10 Gersan Establishment Method and apparatus for examining an object
US5124935A (en) * 1990-11-30 1992-06-23 Omphalos Recovery Systems Inc. Gemstone identification, tracking and recovery system
GB9103552D0 (en) * 1991-02-20 1991-04-10 Gersan Ets Classifying or sorting
GB2275788B (en) * 1993-03-05 1996-07-31 Gersan Ets Distinguishing natural from synthetic diamond
GB2286251B (en) * 1994-01-25 1997-07-09 Gersan Ets Examining a diamond for synthetic diamond
GB9417665D0 (en) * 1994-09-02 1994-10-19 Gersan Ets Distinguishing natural from synthetic diamond
GB2303699A (en) * 1995-07-24 1997-02-26 Gersan Ets A method and apparatus for detecting layers of synthetic diamond
US5983238A (en) * 1997-12-26 1999-11-09 Diamond Id Gemstons identification tracking and recovery system
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
GB2504052B (en) * 2012-03-16 2017-05-10 De Beers Uk Ltd Sorting aggregate material
GB2500259A (en) * 2012-03-16 2013-09-18 De Beers Centenary AG Gemstone inspection
WO2015183947A1 (en) 2014-05-27 2015-12-03 Gemological Appraisal Association, Inc. Gemstone registration and recovery system, and systems for evaluating the light performance of a gemstone and capturing forensic characteristics of a gemstone
GB2554467A (en) * 2016-09-30 2018-04-04 De Beers Uk Ltd Apparatus for sorting gemstones
CN107144519A (en) * 2017-05-24 2017-09-08 中山市滔略生物科技有限公司 Cellanalyzer hemolytic agent and preparation method thereof
CN107941679A (en) * 2017-11-22 2018-04-20 中山市创艺生化工程有限公司 A kind of reagent for hemocyte analyzers
CN108872225A (en) * 2018-07-17 2018-11-23 浙江亚培生物技术有限公司 A kind of detection reagent and detection method detecting animal blood cell
CN109142196A (en) * 2018-08-18 2019-01-04 山东博科生物产业有限公司 Three classification reagent for hemocyte analyzers of one kind
CN109480414B (en) * 2018-12-27 2024-02-06 深圳市合尔为科技有限公司 Diamond loading attachment
US11892413B2 (en) 2021-02-01 2024-02-06 Sarine Technologies Ltd. System and method for characterizing gemstones using fluorescence

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA71900B (en) * 1971-02-12 1972-08-30 De Beers Cons Mines Ltd Separation of particles by electromagnetic radiation
AU521558B2 (en) * 1978-01-31 1982-04-08 De Beers Industrial Diamond Division (Proprietary) Limited Diamond detection
GB2073410B (en) * 1980-02-22 1984-06-27 Debex Pty Ltd Recovering particulate materials from mixtures containing them
US4394580A (en) * 1981-07-27 1983-07-19 L.C.E. Ltd. Method and apparatus for analyzing gems
AU557022B2 (en) * 1981-10-23 1986-12-04 De Beers Industrial Diamond Division (Proprietary) Limited Diamond sorting using x-rays
GB2121535B (en) * 1982-06-02 1986-04-30 Anglo Amer Corp South Africa Detector for use in sorting system
AU595660B2 (en) * 1986-11-12 1990-04-05 De Beers Industrial Diamond Division (Proprietary) Limited Diamond sorting
KR910001073B1 (en) * 1986-12-31 1991-02-23 삼성전자 주식회사 A automatic dish washer

Also Published As

Publication number Publication date
GB2215041A (en) 1989-09-13
BE1002936A4 (en) 1991-09-03
CN1037966A (en) 1989-12-13
GB8901759D0 (en) 1989-03-15
AU2889289A (en) 1989-08-10
IL89100A0 (en) 1989-08-15

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