• EECSixPAHsinAcetonitrileEEC乙腈中6种PAH
  • EECSixPAHsinAcetonitrileEEC乙腈中6种PAH

EECSixPAHsinAcetonitrileEEC乙腈中6种PAH

面议
  • 北京恒元启天化工技术研究院
  • -
  • 进口
  • -
  • 现货
  • -
  • 0
  • 1

A standard solution in acetonitrile of the six polycyclic aromatic hydrocarbons named as reference substances in the EC