| Application: | Powder |
|---|
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| Test Item | Unit | Standard Range | Test Standard | |
| Fixed carbon | particle size | (≥99.95-99.98 | GB/T 3521-2008 | |
| particle size | D50 | μm | 2.5-2.9 | D10 is 1.35um D90 is 4.5um |
| Specific surface area | m2/g | ≤18-20 | Determination of specific surface area of solid matter by gas adsorption BET method | |
| Tapped density | g/cm3 | <2.255 | GB/T 3521-2008 | |
| Ash content | % | <0.05 | GB/T 3521-2008 | |
| First efficiency | % | ≥92 | ||
| Magnetic substance | ppm | ≤3 | ||
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