NL7600004A - METHOD OF IDENTIFYING A DIAMOND. - Google Patents

METHOD OF IDENTIFYING A DIAMOND.

Info

Publication number
NL7600004A
NL7600004A NL7600004A NL7600004A NL7600004A NL 7600004 A NL7600004 A NL 7600004A NL 7600004 A NL7600004 A NL 7600004A NL 7600004 A NL7600004 A NL 7600004A NL 7600004 A NL7600004 A NL 7600004A
Authority
NL
Netherlands
Prior art keywords
diamond
identifying
Prior art date
Application number
NL7600004A
Other languages
Dutch (nl)
Other versions
NL181382B (en
NL181382C (en
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 NL7600004A publication Critical patent/NL7600004A/en
Publication of NL181382B publication Critical patent/NL181382B/en
Application granted granted Critical
Publication of NL181382C publication Critical patent/NL181382C/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/062Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating 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
    • G01N23/20Investigating 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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G01N23/205Investigating 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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials using diffraction cameras
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38Concrete; ceramics; glass; bricks
    • G01N33/381Concrete; ceramics; glass; bricks precious stones; pearls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/0605Composition of the material to be processed
    • B01J2203/062Diamond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/065Composition of the material produced
    • B01J2203/0655Diamond
NLAANVRAGE7600004,A 1975-01-03 1976-01-02 METHOD FOR IDENTIFYING A DIAMOND NL181382C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB328/75A GB1547371A (en) 1975-01-03 1975-01-03 Diamond identification

Publications (3)

Publication Number Publication Date
NL7600004A true NL7600004A (en) 1976-07-06
NL181382B NL181382B (en) 1987-03-02
NL181382C NL181382C (en) 1987-08-03

Family

ID=9702459

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7600004,A NL181382C (en) 1975-01-03 1976-01-02 METHOD FOR IDENTIFYING A DIAMOND

Country Status (9)

Country Link
JP (1) JPS527290A (en)
BE (1) BE837281A (en)
CH (1) CH609152A5 (en)
DE (1) DE2559245A1 (en)
FR (1) FR2296846A1 (en)
GB (1) GB1547371A (en)
IL (1) IL48777A (en)
NL (1) NL181382C (en)
ZA (1) ZA757905B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710946A (en) * 1985-08-06 1987-12-01 Amoco Corporation Method and apparatus for X-ray video fluoroscopic analysis of rock samples
GB8706422D0 (en) * 1987-03-18 1987-04-23 British Petroleum Co Plc Identification method
JPH0438083Y2 (en) * 1987-04-22 1992-09-07
JP2517057B2 (en) * 1988-04-13 1996-07-24 東京エレクトロン株式会社 X-ray inspection method and X-ray inspection device
DE19631367C1 (en) * 1996-08-02 1997-11-13 Roland Dr Diehl X-ray identification method for cut diamonds
US6020954A (en) 1997-12-18 2000-02-01 Imagestatistics, Inc. Method and associated apparatus for the standardized grading of gemstones
US6980283B1 (en) 1997-12-18 2005-12-27 Imagestatistics, Inc. Method and associated apparatus for the standardized grading of gemstones
JP6686278B2 (en) 2014-02-28 2020-04-22 株式会社リコー Inspection device, inspection kit, transfer medium, inspection device manufacturing method, and inspection method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1799604A (en) * 1926-11-03 1931-04-07 Fayette F Read Method and apparatus for identifying crystals

Also Published As

Publication number Publication date
DE2559245C2 (en) 1988-05-26
DE2559245A1 (en) 1976-11-11
JPS527290A (en) 1977-01-20
FR2296846B1 (en) 1981-07-31
ZA757905B (en) 1977-07-27
IL48777A (en) 1979-10-31
FR2296846A1 (en) 1976-07-30
NL181382B (en) 1987-03-02
IL48777A0 (en) 1976-03-31
NL181382C (en) 1987-08-03
BE837281A (en) 1976-07-02
GB1547371A (en) 1979-06-13
CH609152A5 (en) 1979-02-15
JPS6123501B2 (en) 1986-06-06

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee