ZA757905B - Diamond identification - Google Patents

Diamond identification

Info

Publication number
ZA757905B
ZA757905B ZA757905A ZA757905A ZA757905B ZA 757905 B ZA757905 B ZA 757905B ZA 757905 A ZA757905 A ZA 757905A ZA 757905 A ZA757905 A ZA 757905A ZA 757905 B ZA757905 B ZA 757905B
Authority
ZA
South Africa
Prior art keywords
diamond identification
diamond
identification
Prior art date
Application number
ZA757905A
Other languages
English (en)
Inventor
A Lang
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 ZA757905B publication Critical patent/ZA757905B/xx

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
    • G01N33/389Precious 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
ZA757905A 1975-01-03 1975-12-18 Diamond identification ZA757905B (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 (1)

Publication Number Publication Date
ZA757905B true ZA757905B (en) 1977-07-27

Family

ID=9702459

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA757905A ZA757905B (en) 1975-01-03 1975-12-18 Diamond identification

Country Status (9)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4347622A (en) 1980-04-07 1982-08-31 General Electric Company Signature surveillance of nuclear fuel
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
JP2517057B2 (ja) * 1988-04-13 1996-07-24 東京エレクトロン株式会社 X線検査方法及びx線検査装置
DE19631367C1 (de) * 1996-08-02 1997-11-13 Roland Dr Diehl Verfahren zur röntgenographischen Identifizierung von geschliffenen Diamanten
US6980283B1 (en) 1997-12-18 2005-12-27 Imagestatistics, Inc. Method and associated apparatus for the standardized grading of gemstones
US6020954A (en) * 1997-12-18 2000-02-01 Imagestatistics, Inc. Method and associated apparatus for the standardized grading of gemstones
JP6686278B2 (ja) 2014-02-28 2020-04-22 株式会社リコー 検査装置、検査キット、転写媒体、検査装置の製造方法、及び検査方法

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
GB1547371A (en) 1979-06-13
JPS527290A (en) 1977-01-20
DE2559245C2 (enrdf_load_stackoverflow) 1988-05-26
JPS6123501B2 (enrdf_load_stackoverflow) 1986-06-06
NL7600004A (nl) 1976-07-06
DE2559245A1 (de) 1976-11-11
FR2296846A1 (fr) 1976-07-30
FR2296846B1 (enrdf_load_stackoverflow) 1981-07-31
NL181382B (nl) 1987-03-02
IL48777A (en) 1979-10-31
BE837281A (fr) 1976-07-02
IL48777A0 (en) 1976-03-31
NL181382C (nl) 1987-08-03
CH609152A5 (en) 1979-02-15

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