即用型透析袋(5000D/25.5mm/40mm)(RC膜)
即用型透析袋(5000D/25.5mm/40mm)(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;
即用型透析袋(100KD/20mm/31mm)(CE膜)
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4ml/30K超滤管(外管15ml)
4ml/30K超滤管(外管15ml)High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs