如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
5-甲酰基-2,4-二甲基-3-吡咯甲酸
Hypersil ODS2保护柱芯
11mmBTO隔垫,预穿孔
CHROMATOGRAPHIC-COLUMNS, 35 ML, ST-STOPCOCK, W. SOLID PLUG, SCREW-THREAD RETAINING NUT, 15 X 200
止回阀,PE-HD,Viton,6-9 mm,长80 mm
Bond Elut PPL小柱
NALGENE 489 线性低密度聚乙烯管,内径x外径x壁厚,1 x 1-1/4 x 1/8英寸
SCREWCAPS FOR "RODAVISS", NS 29
7种阴离子混标,Br/Cl/F/SO4/NO3(as N)/PO4(as P)/NO2(as N),溶于 H2O
对羟基苯甲酸丁酯CP(沪试),≥99.0%