Materials with known 11B/10B isotopic composition | |||
IAEA-B-1 | Sea Water | 50ml | δ11B=38.6‰NBS 951 |
IAEA-B-2 | Groundwater | 50ml | δ11B=13.8‰NBS 951 |
IAEA-B-3 | Groundwater | 50ml | δ11B=-21.4‰NBS 951 |
IAEA-B-4 | Tourmaline | 1g | δ11B=-8.7‰NBS 951 |
IAEA-B-5 | Basalt | 30g | δ11B=-3.8‰NBS 951 |
IAEA-B-6 | Obsidian | 30g | δ11B=-1.8‰NBS 951 |
IAEA-B-7 | Limestone | 30g | δ11B=9.7‰SRM 951 |
IAEA-B-8 | Clay | 30g | δ11B=-5.1‰NBS 951 |
ERM-AE102A | Boric acid in water with 10B isotope | 20ml | 10B/11B=0.4285 |
ERM-AE103 | Boric acid in water with 10B isotope | 30ml | 10B/11B=0.9895 |
ERM-AE104A | Boric acid in water with 10B isotope | 20ml | 10B/11B=0.4596 |
951a | Boric Acid Isotopic Standard | 10 g | 10B/11B=0.2473 |