NO. | ITEM | STANDARD SPECIFICATION | |||
1 | Boron ≥% | 4N | 5N | 6N | |
99.99 | 99.999 | 99.9999 | |||
2 | Impurity PPMwt Max Each | Ag/Au | 0.30 | - | Available Upon Request |
Fe | 11.0 | 8.0 | |||
Mg | 0.01 | 0.9 | |||
Pb | 0.20 | 0.1 | |||
Sn | 0.30 | 0.1 | |||
Ca/Zn/Ni | 0.20 | - | |||
Mn | 7.00 | 0.1 | |||
Cu | 0.10 | - | |||
Total | 100ppm | 10ppm | 1ppm | ||
3 | Size | Powder or lump | |||
4 | Packing | 1kg in polyethylene bottle, carton box outside |