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 |