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
减压阀换接头(大)
2-溴-4-硝基吡啶
1,4-二氮杂双环[2.2.2]辛烷
250mL气体干燥塔
LABORATORY BOTTLES, WITH SCREW THREAD GL 45, 5000 ML, BOROSILICATE GLASS, WITH PLASTIC COATING
WEIGHING GLASSES, 30 ML, HIGH FORM, ST-LID, PERMANENT GRADUATION AND MEASURES HEIGHT 50 MM, O.D.
2种阴离子混标,Cl/SO4(as S),10mg/L溶于 H2O
天平刷
XBridge BEH Amide 色谱柱
郑州长城SHB-III型循环水式多用真空泵