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10B in the form of Boric Acid for the Nuclear Industry
• Enriched Boric Acid for use as a chemical shim for excess neutron absorption in the primary circuit of PWRs using high burnup or MOX fuel cores.
• In these PWRs neutron absorption of natural Boric Acid is insufficient. Solubility of Boric Acid limits the boron concentration in primary circuit water to be used as neutron poison.
• Today more and more enriched Boric Acid (95 % enriched in 10B) is used by NPPs.
Specifications
Physical Properties:
| Material | Boron-10 in form of crystalline Boric Acid |
| Enrichment | 10B > 96 at% |
Chemical Properties
| Form | H3BO |
| Purity | ≥ 99,95 wt% |
Impurities in μg/g
| As | <0,1 |
| Ca | <1 |
| Cl | <0,09 |
| F | <0,21 |
| Na | <1,5 |
| Pb | <4 |
| PO4 | <0,2 |
| SO4 | <0,4 |
| Insolubles in water | < 8 |
| Maximum particle size, mm no more | 3.5 |