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
Unalloyed Copper II (solid)
2.2'.3.3'.4.5.5'.6.6'-Nonachlorobiphenyl (无证书)
C1-C6正烷烃:甲烷/乙烷/丙烷/丁烷/戊烷/己烷,均100ppm,溶于氦气 标准品
甲醇中丙硫特普
畜蜱磷
Phosmet Solution in Acetonitrile
酚酞 含量测定
Desmethyl Diazepam-d5
1,3,5-Tribromobenzene
3-Phenylrhodanine (无证书)