常用氣體以及純度以及雜質(zhì)
|
氣體名稱
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化學(xué)式
|
純度(%)
|
雜質(zhì)(ppm)
|
|
甲烷
|
CH4
|
99.5%
|
O2≤100 ,HC≤1500, N2≤600, H2≤2000
|
|
99.95%
|
O2≤5 ,H2≤10, N2≤100 ,HC≤100, H2O≤5 ,CO/CO2≤10
|
|
99.995%
|
O2≤2 ,H2≤5, N2≤10 ,HC≤20, H2O≤5 ,CO/CO2≤1
|
|
99.9995%
|
O2≤0.5 ,H2≤0.1, N2≤2 ,HC≤0.1 ,H2O≤2 ,CO2≤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≤2 ,CH4≤100, N2≤5, C2H6≤350 ,H2O≤30, HC≤100
|
|
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
|
|
99.95%
|
N2≤10 ,C3H8≤3000, C4H6-1.3≤5 ,CH4≤5 ,C4H10≤5, C2H6≤50, C4H8≤5
|
|
丙二烯
|
C3H4
|
98%
|
丙炔≤20000
|
|
丙炔
|
C3H4
|
98%
|
丙二烯≤20000
|
|
環(huán)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
|
|
異丁烷
|
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
|
|
順-2-丁烯
|
C4H8
|
99.4%
|
HC≤7000
|
|
反-2-丁烯
|
C4H8
|
99.4%
|
HC≤7500
|
|
異丁烯
|
C4H8
|
99.99%
|
H2O≤5, HC≤100
|
|
1.3-丁二烯
|
C4H6
|
99.8%
|
O2≤5 ,N2≤10, HC≤1200
|
|
正戊烷
|
C5H12
|
99.5%
|
C5H10＜0.1,wt i-COH12: 0.4wt%
|
|
異戊烷
|
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
|
|
