SCL Lab

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Research Laboratory, Gemmological Association of
All Japan
A New Technique for Corundum Analysis Using
LA-ICP-MS (Inductively Coupled Plasma Mass
Spectrometry) Instrument

• SCL Lab
• Park Kyung-wook

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Samples and methods

• Samples
• Untreated natural sapphire 19 pieces
• Treaditional heated natural sapphire 23 pieces
• Sapphire treated in the new hest process 79
  pieces

• Methods
• Verneuil synthetic colourless sapphire 8
  pieces
• Flux-grown synthetic pink sapphire 2 pieces
• Natural sapphire of each colour 8 pieces

• Analysis
• LA-ICP-MS (Inductively Coupled Plasma Mass
  Spectrometry)
• SIMS (secondary ion mass spectrometry)
  CAMECA IMS-6f.(japan tech)

Structural Ceramic Laboratory. Hanyang Univ.
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LA-ICP-MS
Simple overview of inductively coupled plasma
mass spectrometry using LA system.
Structural Ceramic Laboratory. Hanyang Univ.
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(No Transcript)
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Test results
Mapping of Beryllium analysis on the cut surface
of synthetic and natural sapphires with different
heating period.
Structural Ceramic Laboratory. Hanyang Univ.
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Test results
Comparative analysis between LA-ICP-MS and SIMS
methods on the cut surface of Padparadscha
sapphire
Structural Ceramic Laboratory. Hanyang Univ.