国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01J020/281（3）
发明人
公开年 2013（3）
申请年 2013（3） 
专利权人

Polytetrafluoroethylene micro-extraction column for measuring polycyclic aromatic hydrocarbon material in food, water and soil, has alternating layered structure of polydopamine and graphene layers in specified number.

CHEN Z, ZHANG W

Preparation of titanium graphene coating for solid-phase microextraction head, involves hydroxylating titanium wire, forming silicon oxide film, immersing in carboxylated graphene, and condensing carboxyl group with silylating agent.

LIN J, TENG Y, ZHANG B, LI H, ZHENG X

Preparation of graphene-modified capillary-column chromatography involves pretreating capillary, injecting cationic polyelectrolyte coating solution, and modifying with graphene oxide.

LI J, YAN C