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SE8001871L - Sett och anordning for materialbestemning - Google Patents

Sett och anordning for materialbestemning

Info

Publication number
SE8001871L
SE8001871L SE8001871A SE8001871A SE8001871L SE 8001871 L SE8001871 L SE 8001871L SE 8001871 A SE8001871 A SE 8001871A SE 8001871 A SE8001871 A SE 8001871A SE 8001871 L SE8001871 L SE 8001871L
Authority
SE
Sweden
Prior art keywords
junctions
thermocouple
applying
material determination
stone
Prior art date
Application number
SE8001871A
Other languages
Unknown language ( )
English (en)
Other versions
SE439543B (sv
Inventor
H J Goldsmid
Original Assignee
Unisearch 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 Unisearch Ltd filed Critical Unisearch Ltd
Publication of SE8001871L publication Critical patent/SE8001871L/sv
Publication of SE439543B publication Critical patent/SE439543B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/389—Precious stones; Pearls

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
SE8001871A 1979-03-28 1980-03-11 Apparat for anvendning vid identifiering av material, sasom edelstenar samt sett att identifiera sadana material SE439543B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPD822179 1979-03-28

Publications (2)

Publication Number Publication Date
SE8001871L true SE8001871L (sv) 1980-09-29
SE439543B SE439543B (sv) 1985-06-17

Family

ID=3768042

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8001871A SE439543B (sv) 1979-03-28 1980-03-11 Apparat for anvendning vid identifiering av material, sasom edelstenar samt sett att identifiera sadana material

Country Status (17)

Country Link
US (1) US4324129A (sv)
JP (1) JPS55132939A (sv)
AU (1) AU521261B2 (sv)
BE (1) BE882512A (sv)
CA (1) CA1137788A (sv)
CH (2) CH654926A5 (sv)
DE (1) DE3011224C2 (sv)
FR (1) FR2452708A1 (sv)
GB (1) GB2051372B (sv)
HK (1) HK64884A (sv)
IL (1) IL59607A (sv)
IN (1) IN152818B (sv)
IT (1) IT1131086B (sv)
NL (1) NL179613C (sv)
SE (1) SE439543B (sv)
SG (1) SG34484G (sv)
ZA (1) ZA801463B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052857B1 (en) * 1980-11-25 1985-04-03 Unisearch Limited Hardness tester
DE4320781A1 (de) * 1993-06-23 1994-03-03 Praessl Wendl Maria Theresia Wärmeleitfähigkeits-Meßgerät
US6265884B1 (en) 1998-05-13 2001-07-24 Ceres Corporation Electrical conductivity gem tester
US6439766B1 (en) * 2001-02-06 2002-08-27 Oris L. Nelson Diamond detecting apparatus and method
BE1015022A3 (nl) * 2002-07-05 2004-08-03 Wetenschappelijk En Tech Onder Werkwijze en inrichting voor het onderscheiden van edelstenen.
US9329145B2 (en) 2010-07-27 2016-05-03 Korea Institute Of Science And Technology Material screening apparatus
GB201818888D0 (en) * 2018-11-20 2019-01-02 Univ Oxford Innovation Ltd Apparatus and methods for testing a smaple
JP7323108B2 (ja) * 2019-02-28 2023-08-08 オザワ科学株式会社 熱電特性評価ユニット、熱電特性評価装置及び熱電特性評価方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2330599A (en) * 1941-10-17 1943-09-28 Gen Electric Thermal testing apparatus
US2951360A (en) * 1956-03-30 1960-09-06 Gen Electric Thermal conductivity testing
US3075377A (en) * 1956-10-17 1963-01-29 Owens Corning Fiberglass Corp Apparatus for determining thermal conductivity of materials
GB855658A (en) * 1956-11-29 1960-12-07 Nat Res Dev Improvements in and relating to the measurement of thermal conductivity
GB1036124A (en) * 1962-01-19 1966-07-13 Nat Res Dev Method and means for making measurements involving thermal conductivity
US3369389A (en) * 1964-10-09 1968-02-20 Arvin Ind Inc Thermal testing apparatus
US3611786A (en) * 1969-05-23 1971-10-12 Bell Telephone Labor Inc Measurement of thermal conductivity of hard crystalline bodies
US3688558A (en) * 1970-09-16 1972-09-05 Renault Estimation of thermal feeling intensity on human skin
US3662587A (en) * 1970-10-02 1972-05-16 Us Army Thermal conductivity apparatus
US3668927A (en) * 1970-10-16 1972-06-13 Atlantic Richfield Co Borehole thermal conductivity measurements
US3971246A (en) * 1972-12-21 1976-07-27 Showa Denko Kabushiki Kaisha Method and apparatus for measuring the coefficient of thermal conductivity of a sample
US4255962A (en) * 1978-04-10 1981-03-17 Ceres Corporation Method and means of rapidly distinguishing a simulated diamond from natural diamond

Also Published As

Publication number Publication date
FR2452708A1 (fr) 1980-10-24
US4324129A (en) 1982-04-13
GB2051372B (en) 1984-02-01
IT1131086B (it) 1986-06-18
NL8001787A (nl) 1980-09-30
IN152818B (sv) 1984-04-14
JPS55132939A (en) 1980-10-16
DE3011224C2 (de) 1986-01-30
AU5643980A (en) 1980-10-02
ZA801463B (en) 1981-03-25
NL179613C (nl) 1986-10-01
CH639490A5 (fr) 1983-11-15
NL179613B (nl) 1986-05-01
AU521261B2 (en) 1982-03-25
DE3011224A1 (de) 1980-10-09
IT8020953A0 (it) 1980-03-27
BE882512A (fr) 1980-07-16
CH654926A5 (fr) 1986-03-14
HK64884A (en) 1984-08-24
JPS6122255B2 (sv) 1986-05-30
IL59607A (en) 1988-06-30
SG34484G (en) 1985-02-08
IL59607A0 (en) 1980-06-30
CA1137788A (en) 1982-12-21
SE439543B (sv) 1985-06-17
GB2051372A (en) 1981-01-14
FR2452708B1 (sv) 1984-04-20

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