Chemical Certified Reference Materials Copper and copper base materials
- Copper concentrate Ko-P2
- Electrolytic copper No 5
- Electrolytic copper Cu-10, Cu-100, Cu-600
- Electrolytic copper Cu 10/1, Cu 600/1
- Electrolytic copper Cu 100/5
- Electrolytic copper Cu 90/1
- Electrolytic copper Cu 200/4
- Electrolytic copper CuS-20
- Copper ore MR1, MR2
- Pure copper IMN-001
- Copper slag ZM 6
- Ores and concentrates - W2, W5, W7
- Low sulphur copper CuS-L