[促销] 4A分子筛色谱试剂(4A)

4A molecular sieve chromatography

The molecular sieve 4A, 4A molecular sieve, Na2O, Al2O3, 2SiO2, 4.54A molecular sieve pore size of about 4, which is mainly suitable for gas, liquid drying. Can be adsorbed NH3, H2O, H2S, CO2, SO2, CO, methyl chloride, methyl bromide, acetylene, ethane, ethylene, propylene, etc.. Widely used in oil field gas, natural gas and other dry. Is also widely used for ethanol dehydration. Also used for anti condensation vacuum glass etc..

Gas chromatographic carrier

Size: 40-60 mesh, 60-80 mesh, 80-100 mesh

• 别名 分子筛4A，4A分子筛
• 分子式 Na2O·Al2O3·2SiO2·4.5
• 4A分子筛的孔径约4埃，其主要适用于气体，液体的干燥。可吸附H2O、NH3、H2S、CO2、SO2、CO、氯甲烷、溴甲烷、乙炔、乙烷、乙烯、丙烯等。广泛用于油田伴生气、天然气等的干燥。也广泛用于乙醇的脱水。也用于真空玻璃等的防结露。