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
2,3-联苯基喹喔啉
outer ? 11 mm, PFA
聚酰胺粉100-200目（柱层析）
4种亚硝胺混标
气相色谱柱，TG-WAXMS A 15m x 0.53mm x 0.50μm
CHROMATOGRAPHIC-COLUMNS, 125 ML, ST-STOPCOCK, W. SOLID PLUG, SCREW-THREAD RETAINING NUT,20 X 400
DENSITY-HYDROMETER, DIN 12791, M50-170 1,700-1,750:0,001 G/CM3, NOMINAL RANGE 80 MM, L. 260 MM,
螺口试剂瓶，棕色，250 ml，螺口规格32
5ml 10ml witeg premium移液枪用滤芯
PLASTIC STOPPER
