氣體(ti)名稱

化學式(shi)

純度(%)

雜質(zhi)(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(xi)

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(huan)丙(bing)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(ding)烯-1

C4H8

99.9%

H2O≤10 ,HC≤1000

順-2-丁烯

C4H8

99.4%

HC≤7000

反-2-丁烯(xi)

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(wu)烷

C5H12

99.5%

C5H10＜0.1,wt i-COH12: 0.4wt%

異(yi)戊烷

C5H12

99.3%

n-C5H12: 0.5%

氯甲烷(wan)

CH3Cl

99 %

甲醇≤4000

溴甲烷

CH3Br

99.99%

氧≤1,水≤2