国家/地区
IPC部 B（2）
IPC大类 B01（2） G01（2）
IPC小类 B01D（2）
IPC B01D015/08（2）
发明人
公开年
申请年 2014（2）
专利权人

Solid-phase extraction column used in pre-treatment of chemical sample, comprises monolayered graphene or multi-layered graphene, or modified graphene as solid-phase extraction agent filled within separation column.

ZHANG M, ZHANG L

Hydrogen key acidic graphene coating layer solid-phase micro-extracting device, has hollow metal sleeve and micro-injector connected together through screw thread, and micro-injector connected with sample pushing head.

DONG L, HUANG F, LIU B, YANG J, ZHANG G, YANG L, GUO T, FU W