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