99r8这是只有精品国产_无码一级毛片免费_最近国产在线观看免费完整版_国产九九免费视频_成人高清字幕在线播放_在线观看自拍无码三级_一级av一片久久免费观看_韩国日本香港毛片免费_丝袜亚洲另类欧美_99re视频热这里只有精品精

丙烯中雜質(zhì)測(cè)定用

C2H4(20ppm), C2H6(100ppm), C3H8(3500ppm), 1-C4H8(20ppm), 丙二烯(15ppm), 

C3H6

C2H2(10ppm), 丙炔(10ppm), 1.3-C4H6(15ppm), 1.2-C4H6(10ppm)

異丁烯中雜質(zhì)測(cè)定用

C3H6(50mg/Kg), C3H8(50mg/Kg), 丙二烯(50mg/Kg), 丙炔(50mg/Kg), i-C4H10(2000mg/Kg), 

i-C4H8

n-C4H10(2000mg/Kg), 1-C4H8(50mg/Kg), c-C4H8-2(50mg/Kg), 1,3--C4H6(50mg/Kg),

t-C4H8-2(100mg/Kg)

正丁烯中雜質(zhì)測(cè)定用

C3H6(50mg/Kg), C3H8(50mg/Kg), 丙二烯(50mg/Kg), 丙炔(50mg/Kg), i-C4H10(2000mg/Kg),

i-C4H8

n-C4H10(2000mg/Kg), 1-C4H8(50mg/Kg), c-C4H8-2(50mg/Kg), 1,3--C4H6(50mg/Kg),

t-C4H8-2(100mg/Kg)

MTBE生產(chǎn)用

二甲醚(0.5%), 正戊烷(0.8%), 碳4(0.7%), 甲醇(0.5%), 叔丁醇(0.5%)

MTBE