国家/地区 世界知识产权组织（2）
IPC部 B（3）
IPC大类 B01（3） G01（3）
IPC小类 B01D（3）
IPC B01D015/22（2） G01N030/60（2）
发明人 ZHANG M（3）
公开年 2016（2）
申请年 2014（3）
专利权人 SHENZHEN CAN.（2）

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

Graphene material-based dispersive solid phase extraction method involves performing pore-forming and activation of graphene material, adding activated graphene material to chemical sample, extracting and detecting supernatant.

ZHANG M, ZHANG L

Solid phase extraction column, has grapheme layer filled with graphene carboxyl, cyano group, nitrate graphene, graphite or boric acid phosphonium acid graphite solution, and plastic column base fixed with porous alumina plate.

ZHANG M, ZHANG L