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Table 1 List of the sample-intimate components

From: Methods and tools for handling, transportation, weighing, and pelletization applied to the initial analysis of volatile components in the Hayabusa2 samples

Operation

Tool

Component

Material

Contact with

1. Sample collection

Tweezer, spatula

Stainless steel

Pristine sample

2. Pelletization

Tool B

Diamond disk

Diamond

Pristine sample

2. Pelletization

Tool B

Cu disk

Cu

Pristine sample

2. Pelletization

Tool B

Metal bead

Stainless steel

Pristine sample

4. Weighing

Tool E

Sample-pushing needle

Stainless steel

Pristine sample

4. Weighing

Tool E

Metal cup

Pt or Al

Pristine sample

7. NAA, 8. Ar–Ar dating

Tool G

Sapphire disk and lid

Sapphire

Pt-Os coated sample

7. NAA, 8. Ar–Ar dating

Spatula

Stainless steel

Pt-Os coated sample

  1. “Pristine sample” means samples that remained in the pure nitrogen environment. “Pt-Os coated sample” means samples that were coated with Pt and Os for the SIMS analysis and handled under the Earth’s atmosphere environment