ZA9410191B - Particle classification method and apparatus - Google Patents

Particle classification method and apparatus

Info

Publication number
ZA9410191B
ZA9410191B ZA9410191A ZA9410191A ZA9410191B ZA 9410191 B ZA9410191 B ZA 9410191B ZA 9410191 A ZA9410191 A ZA 9410191A ZA 9410191 A ZA9410191 A ZA 9410191A ZA 9410191 B ZA9410191 B ZA 9410191B
Authority
ZA
South Africa
Prior art keywords
classification method
particle classification
particle
classification
Prior art date
Application number
ZA9410191A
Inventor
Con-Vivier Venter
Original Assignee
De Beers Ind Diamond
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 Ind Diamond filed Critical De Beers Ind Diamond
Publication of ZA9410191B publication Critical patent/ZA9410191B/en

Links

Classifications

    • 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
    • G01N21/65—Raman scattering
    • 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
ZA9410191A 1993-12-30 1994-12-21 Particle classification method and apparatus ZA9410191B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA939797 1993-12-30

Publications (1)

Publication Number Publication Date
ZA9410191B true ZA9410191B (en) 1995-08-25

Family

ID=25583567

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9410191A ZA9410191B (en) 1993-12-30 1994-12-21 Particle classification method and apparatus

Country Status (6)

Country Link
AU (1) AU687470B2 (en)
BR (1) BR9405310A (en)
CA (1) CA2139178C (en)
GB (1) GB2285311B (en)
RU (1) RU94045262A (en)
ZA (1) ZA9410191B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA955745B (en) * 1994-08-19 1996-02-20 De Beers Ind Diamond Classification of particles according to their Raman response

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286170A (en) * 1980-02-11 1981-08-25 Samuel Moti X-Ray face mask and chest shield device
DD254998A1 (en) * 1985-07-26 1988-03-16 Zeiss Jena Veb Carl ARRANGEMENT FOR THE IMAGE AND ANALYSIS OF FLUORESCENCE SIGNALS
GB2219080B (en) * 1988-05-06 1992-11-04 Gersan Ets Identifying gemstones
US5275168A (en) * 1992-03-31 1994-01-04 The United States Of America As Represented By The Secretary Of The Navy Time-gated imaging through dense-scattering materials using stimulated Raman amplification

Also Published As

Publication number Publication date
GB2285311B (en) 1998-01-14
RU94045262A (en) 1996-10-20
AU687470B2 (en) 1998-02-26
GB9425994D0 (en) 1995-02-22
AU8178294A (en) 1995-07-06
BR9405310A (en) 1995-09-19
CA2139178A1 (en) 1995-07-01
GB2285311A (en) 1995-07-05
CA2139178C (en) 2007-01-30

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