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
异十二烷
HP-VOC 气相毛细管柱
200g-1mg 砝码套装, O/P OIML CLASS E2级别, 带NALVP证书
10%氯化钠胰蛋白胨大豆肉汤
2-WAYTHRU VALVE 1/16IN
FLUOPHASE RP 5UM 100X3MM COLUMN
Chromosorb W AW DMCS 80-100
5-甲基糠醛
COUNTING CHAMBERS,"BUERKER-TUERK", DIN 12847, WITH DOUBLE NET RULING IN TRANSPARENT PLASTIC BOX,
14种元素ICP-MS混标,溶于5% HNO3