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-庚基环戊酮
单片无菌聚醚砜PES微孔滤膜(水系)
Zebron ZB-WAX气相毛细管柱
N-Phenyl-2-aminoindan
磷酸二氢铵 AR,99%
4,4'-二羟基联苯
CZAKO STOPCOCKS, ANGLE BORE 4 MM, NS 18.8, COMPLETE WITH PTFE-KEY AND THREE PART RETAINING DEVICE, D
硅胶管,内径5.0,外径8.0,壁厚1.5 mm
塑料中重金属标准样品E待测目标物Pb/Cd/Hg/Cr,材质PET,浓度范围(0.005-0.02)%,定值方法IEC62321
O/F培养基(HLGB)