FR2528580A1 - Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres - Google Patents

Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres Download PDF

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Publication number
FR2528580A1
FR2528580A1 FR8210547A FR8210547A FR2528580A1 FR 2528580 A1 FR2528580 A1 FR 2528580A1 FR 8210547 A FR8210547 A FR 8210547A FR 8210547 A FR8210547 A FR 8210547A FR 2528580 A1 FR2528580 A1 FR 2528580A1
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FR
France
Prior art keywords
sep
cell
testing
galvanometer
stone
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Legal status (The legal status 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 status listed.)
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FR8210547A
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English (en)
French (fr)
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FR2528580B3 (Direct
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FREDIANI JEAN
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FREDIANI JEAN
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Application filed by FREDIANI JEAN filed Critical FREDIANI JEAN
Priority to FR8210547A priority Critical patent/FR2528580A1/fr
Publication of FR2528580A1 publication Critical patent/FR2528580A1/fr
Application granted granted Critical
Publication of FR2528580B3 publication Critical patent/FR2528580B3/fr
Granted legal-status Critical Current

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    • 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

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  • 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 Or Analysing Materials By Optical Means (AREA)
FR8210547A 1982-06-14 1982-06-14 Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres Granted FR2528580A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8210547A FR2528580A1 (fr) 1982-06-14 1982-06-14 Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8210547A FR2528580A1 (fr) 1982-06-14 1982-06-14 Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres

Publications (2)

Publication Number Publication Date
FR2528580A1 true FR2528580A1 (fr) 1983-12-16
FR2528580B3 FR2528580B3 (Direct) 1985-03-22

Family

ID=9275082

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8210547A Granted FR2528580A1 (fr) 1982-06-14 1982-06-14 Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres

Country Status (1)

Country Link
FR (1) FR2528580A1 (Direct)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993023742A1 (en) * 1992-05-19 1993-11-25 Gersan Establishment Method and apparatus for examining an object
WO1995020152A1 (en) * 1994-01-25 1995-07-27 Gersan Establishment Examining a diamond
US5811817A (en) * 1996-04-25 1998-09-22 Ravich; Gilbert Norman Method & apparatus for detecting fracture filled diamonds
US5880504A (en) * 1994-09-07 1999-03-09 Gersan Establishment Examining a diamond
EP1657544A1 (en) * 2004-11-10 2006-05-17 Wetenschappelijk en Technisch Onderzoekscentrum voor Diamant Method for discerning colourless and almost colourless diamonds and arrangement for carrying out this method
CN111103263A (zh) * 2018-10-26 2020-05-05 宁波方太厨具有限公司 一种测试玻璃涂层防雾性能的装置
CN111103264A (zh) * 2018-10-26 2020-05-05 宁波方太厨具有限公司 一种测试玻璃涂层防雾性能的方法

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0811836A3 (en) * 1992-05-19 1999-12-15 Gersan Establishment Method and apparatus for classifying diamonds
US5536943A (en) * 1992-05-19 1996-07-16 Gersan Establishment Method and apparatus for examining an object
WO1993023742A1 (en) * 1992-05-19 1993-11-25 Gersan Establishment Method and apparatus for examining an object
WO1995020152A1 (en) * 1994-01-25 1995-07-27 Gersan Establishment Examining a diamond
US5811824A (en) * 1994-01-25 1998-09-22 Gersan Establishment Method and an apparatus for testing whether a diamond has a layer of synthetic diamond deposited thereon
US5880504A (en) * 1994-09-07 1999-03-09 Gersan Establishment Examining a diamond
US5811817A (en) * 1996-04-25 1998-09-22 Ravich; Gilbert Norman Method & apparatus for detecting fracture filled diamonds
EP1657544A1 (en) * 2004-11-10 2006-05-17 Wetenschappelijk en Technisch Onderzoekscentrum voor Diamant Method for discerning colourless and almost colourless diamonds and arrangement for carrying out this method
BE1016537A3 (nl) * 2004-11-10 2007-01-09 Wetenschappelijk En Tech Onder Werkwijze voor het onderscheiden van kleurloze en bijna kleurloze diamanten en opstelling voor het uitvoeren van deze werkwijze.
CN111103263A (zh) * 2018-10-26 2020-05-05 宁波方太厨具有限公司 一种测试玻璃涂层防雾性能的装置
CN111103264A (zh) * 2018-10-26 2020-05-05 宁波方太厨具有限公司 一种测试玻璃涂层防雾性能的方法
CN111103263B (zh) * 2018-10-26 2022-01-21 宁波方太厨具有限公司 一种测试玻璃涂层防雾性能的装置
CN111103264B (zh) * 2018-10-26 2022-01-21 宁波方太厨具有限公司 一种测试玻璃涂层防雾性能的方法

Also Published As

Publication number Publication date
FR2528580B3 (Direct) 1985-03-22

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