即用型透析袋(15KD/7.5mm/12mm)(RC膜)
即用型透析袋(15KD/7.5mm/12mm)(RC膜)重金属离子和硫化物含量为痕迹级别,湿型,浸泡在0.05%叠氮钠防腐储存液中,即用型,不需预处理,蒸馏水冲洗后使用;
15ml/10K超滤管(外管50ml)
15ml/10K超滤管(外管50ml)High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs