
| 粒度规格 | 发气量 (20°C 101.3 Kpa, L/kg ≥) | 粒径占比 | 灰分, % | ||
|---|---|---|---|---|---|
| 顶级品 | A级品 | 合格品 | |||
| 2-4mm | 260 | 240 | 220 | ≥90 | ≤1 |
| 4-7mm | 280 | 260 | 240 | ≥90 | ≤1 |
| 7-15mm | 290 | 270 | 250 | ≥90 | ≤1 |
| 15-25mm | 300 | 285 | 260 | ≥90 | ≤1 |
| 25-50mm | 300 | 295 | 280 | ≥90 | ≤1 |
| 50-80mm | 300 | 295 | 280 | ≥90 | ≤1 |
| 80-200mm | 300 | 295 | 280 | ≥90 | ≤1 |
| PH₃ %(V/V) ≤ 0.08, H₂S %(V/V) ≤ 0.10, 质量标准: GB10665-2004 | |||||