[ Traceability management system ] [ Stable isotope ratio analysis system ]

Cashmere

raw wool

Laser(2) Analysis

Analysis result A

Analysis result B

Analysis result C

[ Procedure for inferring production area ]

① Gasification of elements in cashmere wool through combustion

② Measurement of stable isotope ratio in gas

③ Introduction of a scientific analysis technique for inferring

production area by comparison with database created for each

production area

産地分析Production area analysis

安定同位対比分析Stable isotope ratio analysis

要素aElement a

要素bElement b

A産 From A

B産 From B

C産 From C

〜品質証明書〜Quality certificate

産地：A産地Origin: Production Area A

トレーサビリティTraceability

産地認証Qualificasion

(3) Comparison

検査Inspection

CO2

H2O(1) Combustion

Photodetector