国家/地区 中国（3） 欧洲专利局（EPO）（2） 美国（2） 世界知识产权组织（2）
IPC部 B（4）
IPC大类 B01（4） G01（4）
IPC小类 B01D（4）
IPC B01J020/286（4）
发明人 LIU Y（2）
公开年
申请年 2012（2） 
专利权人

Graphene/silica gel solid phase extraction materials useful for carrying out enrichment and separation of benzene ring-containing carbamate pesticide residue, comprises e.g. preparing graphene colloid solution by adding graphene oxide.

LIU S, WANG L, XU J, LIU Y, SUN J, ZHANG Y

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

Solid-phase extraction column used in concentration and separation of organic pollutant, has graphene-bonded silica substrate and solid-phase extraction filler comprising graphene, 3-aminopropyl triethoxysilane, and silica gel.

HUANG K, LI J, LIU Y, XIE W

Material useful for preparing chromatography column for isolating protein from sample, and for preparing graphene oxide, comprises a graphene derivative comprising a graphene core and a first pendant group.

CHHOWALLA M, VITTADELLO M, WORONOWICZ K, FALKOWSKI P G, HARROLD J W, HARROLD J