一、 Boron B Brand name purity granularity Crystal type colour Packing Picture display 2N-1 99% 500nm 1-2m Incomplete 結晶 Crystal brown 500Bag / bag 2N-2 99% 5-10m 1-10mm Fully crystallized Black Brown 1000Bag / bag 3N 99.9% 5-10m 1-10mm F
| Brand name | purity | granularity | Crystal type | colour | Packing | Picture display |
|---|---|---|---|---|---|---|
| 2N-1 | 99% |
500nm
1-2μm
|
Incomplete Crystal |
brown | 500Bag / bag |
 |
| 2N-2 | 99% |
5-10μm
1-10mm
|
Fully crystallized | Black Brown | 1000Bag / bag |
 |
| 3N | 99.9% |
5-10μm
1-10mm
|
Fully crystallized | Black Brown | 1000Bag / bag |
 |
| 4N | 99.99% | 1-10mm | Fully crystallized | Black Brown | 500Buckets / buckets |
 |
| 5N | 99.999% | 1-10mm | Fully crystallized | Black Brown | 50Gram / bottle |
 |
| 6N | 99.9999% | 1-10mm |
Crystal type Grain |
Black Brown | 50Gram / bottle |
 |
Note: see Table 1-1
Appendix 1-1
| Brand name |
B content % ≥ |
chemical composition | |||||||
| Impurity content（ppm) ≤ | |||||||||
| Fe | Au | Ag | Cu | Sn | Mg | Mn | Pb | ||
| 2N | 99 | 200 | 30 | 3 | 30 | 35 | 3000 | 20 | 10 |
| 3N | 99.9 | 150 | 10 | 1 | 12 | 10 | 15 | 3 | 1 |
| 4N | 99.99 | 80 | 0.6 | 0.5 | 0.9 | 0.8 | 8 | 0.8 | 0.9 |
| 6N | 99.9999 | 0.5 | 0.02 | 0.02 | 0.03 | 0.09 | 0.02 | 0.07 | 0.02 |
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