产品名称 | 分子式 | 执行标准 | V/V | 杂质含量(ppm) | |||||
O2 | N2 | H2O | THC | H2 | Ar | ||||
工业氧 | O2 | GB/T3863-95 | ≥99.2% | ||||||
工业氮 | N2 | GB/T3863-96 | ≥99.5% | ≤0.5% | |||||
纯氮 | N2 | GB/T8979-96 | ≥99.99% | ≤50 | ≤15 | ≤20 | ≤10 | ||
纯氩 | Ar | GB/T4842-95 | ≥99.99% | ≤10 | ≤50 | ≤15 | ≤10 | ≤5 | |
溶解乙炔 | C2H2 | GB6819-96 | ≥98% | ||||||
工业氢 | H2 | GB/T3634-95 | ≥99.9% | ||||||
纯氢 | H2 | GB/T7445-95 | ≥99.99% | ≤5 | ≤60 | ≤30 | ≤20 |