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
2,4,5,6-Tetrachloro-m-xylene,100ng/ul 标准品
RIDA C18样品前处理小柱
BETASIL C18 3UM 150X4.6MM COLUMN
CAP PP, FOR VACUUM- FILTRATION EQUIPMENT ACC. SWIEGOT, NR: 8.390.102
12管固相萃取干燥装置