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NL8820152A - Werkwijze voor het opsporen van diamanten op afgelegen plaatsen. - Google Patents

Werkwijze voor het opsporen van diamanten op afgelegen plaatsen. Download PDF

Info

Publication number
NL8820152A
NL8820152A NL8820152A NL8820152A NL8820152A NL 8820152 A NL8820152 A NL 8820152A NL 8820152 A NL8820152 A NL 8820152A NL 8820152 A NL8820152 A NL 8820152A NL 8820152 A NL8820152 A NL 8820152A
Authority
NL
Netherlands
Prior art keywords
diamonds
radiation
places
easily accessible
laser
Prior art date
Application number
NL8820152A
Other languages
English (en)
Dutch (nl)
Original Assignee
British Petroleum Co Plc
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 British Petroleum Co Plc filed Critical British Petroleum Co Plc
Publication of NL8820152A publication Critical patent/NL8820152A/nl

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/87Investigating jewels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00Prospecting or detecting by optical means
    • G01V8/02Prospecting
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering
    • G01N2021/651Cuvettes therefore
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering
    • G01N2021/653Coherent methods [CARS]
    • G01N2021/656Raman microprobe
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/85Investigating moving fluids or granular solids
    • G01N21/8507Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • G01N2021/8528Immerged light conductor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/08Optical fibres; light guides
    • G01N2201/084Fibres for remote transmission

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Geophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Geophysics And Detection Of Objects (AREA)
NL8820152A 1987-03-18 1988-03-10 Werkwijze voor het opsporen van diamanten op afgelegen plaatsen. NL8820152A (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8706421 1987-03-18
GB878706421A GB8706421D0 (en) 1987-03-18 1987-03-18 Detection method
GB8800187 1988-03-10
PCT/GB1988/000187 WO1988007213A1 (en) 1987-03-18 1988-03-10 Method for detecting diamonds in remote locations

Publications (1)

Publication Number Publication Date
NL8820152A true NL8820152A (nl) 1989-02-01

Family

ID=10614160

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8820152A NL8820152A (nl) 1987-03-18 1988-03-10 Werkwijze voor het opsporen van diamanten op afgelegen plaatsen.

Country Status (10)

Country Link
US (1) US4919533A (pt)
EP (1) EP0305465A1 (pt)
JP (1) JPH01503004A (pt)
KR (1) KR890700838A (pt)
AU (1) AU1423988A (pt)
BR (1) BR8806079A (pt)
GB (2) GB8706421D0 (pt)
NL (1) NL8820152A (pt)
WO (1) WO1988007213A1 (pt)
ZA (1) ZA881847B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL194561C (nl) * 1986-08-20 2002-07-02 De Beers Cons Mines Ltd Werkwijze en inrichting voor het scheiden van diamant uit bijbehorend gangmateriaal in een diamanthoudend materiaal.
GB8816998D0 (en) * 1988-07-16 1988-08-17 British Petroleum Co Plc Exploration method
DE4005878A1 (de) * 1990-02-24 1991-08-29 Bruker Analytische Messtechnik Raman-spektrometer
GB9103552D0 (en) * 1991-02-20 1991-04-10 Gersan Ets Classifying or sorting
USH2002H1 (en) 1995-12-19 2001-11-06 The Dow Chemical Company Apparatus for conducting Raman spectroscopy using fiber optics
JPH09184809A (ja) * 1995-12-30 1997-07-15 Koyo Ozaki 散乱光測定装置
US20060118530A1 (en) * 2004-12-07 2006-06-08 Chih-Ming Hsu Method and apparatus for cutting a chip by laser
US7354333B2 (en) * 2005-01-21 2008-04-08 International Business Machines Corporation Detection of diamond contamination in polishing pad
EP1762864B1 (en) * 2005-09-12 2013-07-17 Services Petroliers Schlumberger Borehole imaging
CN105866074A (zh) * 2016-05-26 2016-08-17 国土资源部珠宝玉石首饰管理中心深圳珠宝研究所 钻石发光光谱的快速检测方法及其检测装置
EP3729063B1 (en) * 2017-12-21 2022-02-09 Università Degli Studi Di Milano - Bicocca System and method for spectroscopy analysis of diamonds
US11698304B2 (en) 2019-02-15 2023-07-11 Wayne State University Apparatuses, systems, and methods for detecting materials based on Raman spectroscopy

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371574A (en) * 1963-07-31 1968-03-05 Robert J. Dwyer Oil detection device utilizing raman radiation
DE2540682C2 (de) * 1975-09-12 1986-02-27 Metallgesellschaft Ag, 6000 Frankfurt Vorrichtung zur Exploration und Prospektion des Meeresbodens
DE2702332C3 (de) * 1977-01-21 1980-09-25 Deutsche Forschungs- Und Versuchsanstalt Fuer Luft- Und Raumfahrt E.V., 5000 Koeln Verfahren zur chemischen und mineralogischen Analyse des Erdbodens
JPS58108438A (ja) * 1981-12-22 1983-06-28 Chishitsu Kogaku Kk 海底物質および海底地質の光学的探査方法
GB2140555B (en) * 1983-05-24 1987-03-25 British Petroleum Co Plc Diamond separation
US4573761A (en) * 1983-09-14 1986-03-04 The Dow Chemical Company Fiber-optic probe for sensitive Raman analysis
FR2571144B1 (fr) * 1984-10-01 1986-12-19 Centre Nat Rech Scient Dispositif notamment de multi-mesure pour analyser a distance et in situ, un echantillon par spectrometrie raman
GB8514992D0 (en) * 1985-06-13 1985-07-17 British Nuclear Fuels Plc Differentiation technique
WO1987006011A1 (en) * 1986-03-24 1987-10-08 University Of Queensland Monitoring the presence of materials

Also Published As

Publication number Publication date
GB2209213A (en) 1989-05-04
GB8706421D0 (en) 1987-04-23
WO1988007213A1 (en) 1988-09-22
GB8824663D0 (en) 1989-01-05
BR8806079A (pt) 1989-10-31
AU1423988A (en) 1988-10-10
KR890700838A (ko) 1989-04-27
EP0305465A1 (en) 1989-03-08
ZA881847B (en) 1989-11-29
US4919533A (en) 1990-04-24
JPH01503004A (ja) 1989-10-12

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