气体名称 | 化学式 | 规格(%) | 杂质(ppm) |
甲烷 | 99.9% | O2+Ar＜50 ,H2＜50, N2＜250 ,C2H6＜600, H2O＜50 | |
99.99% | O2+Ar＜10,H2＜10, N2＜35 ,C2H6＜25, H2O＜15 | ||
99.995% | O2+Ar＜5,H2＜5, N2＜15 ,C2H6＜15, H2O＜5 | ||
99.999% | O2+Ar＜1,H2＜0.5, N2＜4 ,C2H6＜25, H2O＜3，CO2＜0.5，H2S＜0.1 | ||
乙烷 | C2H6 | 99.9% | O2≤50, N2≤40 ,HC≤1000 |
99.99% | O2≤2 ,HC≤100, N2≤5, H2O≤5 ,CO2≤5 | ||
乙烯 | C2H4 | 99.95% | O2≤5 ,CH4,+C2H6≤500, C2+C3≤10，H2O≤5,,H2≤5，CO2≤5，CO≤1，C2H2≤3 |
丙烷 | C3H8 | 98.5% | O2≤100 ,HC≤14000 ,CO+CO2≤10, H2O≤12 |
99.95% | O2≤10, HC≤400 ,N2≤40, H2O≤5 ,CO2≤10 | ||
丙烯 | C3H6 | 99.5% | HC≤1000, C3H8≤4000 |
99.99% | N2≤10 ,C3H8≤100, C4H6-1.3≤5 ,CH4≤5 ,C4H10≤5, C2H6≤50, C4H8≤5 | ||
电子工业用气体 丙烯 | C3H6 | 99.99% | N2≤5，O2≤1 ,HC≤10 ,CO+CO2≤10, H2O≤2，C3H8≤80, |
丙二烯 | C3H4 | 98% | 丙炔≤20000 |
丙炔 | C3H4 | 98% | 丙二烯≤20000 |
环丙烷 | C3H6 | 99% | |
正丁烷 | C4H10 | 99% | O2≤15 ,H2O≤20 ,HC≤1% |
99.5% | O2≤15 ,H2O≤12 ,HC≤5000, CO+CO2≤10 | ||
99.95% | O2≤10 ,H2O≤10 ,HC≤500 ,CO+CO2≤10 | ||
异丁烷 | C4H10 | 99.5% | O2≤15 ,C3H8≤4000, C4(uns.)≤100, H2O≤15 ,n-C4H10≤2500, CO+CO2≤10 |
99.99% | O2≤10 ,C3H8≤10 ,C4(uns.)≤50, H2O≤5, n-C4H10≤50, CO+CO2≤10 | ||
丁烯-1 | C4H8 | 99.9% | H2O≤10 ,HC≤1000 |
顺-2-丁烯 | C4H8 | 99.4% | HC≤6000 |
反-2-丁烯 | C4H8 | 99.4% | HC≤6000 |
异丁烯 | C4H8 | 99.99% | H2O≤5, HC≤100 |
1.3-丁二烯 | C4H6 | 99.8% | O2≤5 ,N2≤10, HC≤2000 |
正戊烷 | C5H12 | 99.5% | C5H10＜0.1wt% i-C5H12: 0.4wt% |
异戊烷 | C5H12 | 99.3% | n-C5H12: 0.5% |
氯甲烷 | CH3Cl | 99 % | 甲醇≤4000 |
溴甲烷 | CH3Br | 99.99% | 氧≤1,水≤2 |
氯乙烯 | C2H3Cl | 99.9% |
