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
7种阴离子混标,F/Cl/NO2/Br/NO3/PO4/SO4,10mg/L溶于 H2O
四苯基锡
纤维二糖a
BEAKERS, 2000 ML, LOW FORM, WITH SPOUT, DURAN, WITH GRADUATION
样品瓶 6X32 透明 0.1ML 锥形瓶底 100/包装
CAPCELL CORE AQ S2.7 4.6X50
填充柱3% OV-101 on Chromosorb WAW DMCS 60/80
砷标样
Griffin beaker, PMP,raised scale, 150 ml
水中钙