国家/地区 中国（3）
IPC部 B（3） G（3）
IPC大类 B01（3） G01（3）
IPC小类 B01J（3）
IPC B01J020/20（3）
发明人
公开年 2017（3）
申请年 2016（2） 
专利权人

Preparing magnetic oxide graphene based mixed semi-micelles solid phase extraction agent comprises e.g. preparing graphite oxide, preparing graphene oxide, preparing magnetic oxide graphene, preparing mixed-micelle phase extraction agent.

HE H, WU J, ZHAO H, XIAO D, PENG J

Preparing graphene-carbon nanotube composite material used as adsorbent for extracting and detecting melamine, comprises adding graphite powder and carbon nanotubes into concentrated acid, adding ethylenediamine and freeze-drying.

YAN H, YUAN Y, QIAO F, BAI L, LIU H

Preparation of magnetic graphene oxide involves taking graphene oxide and glycol solution, stirring, adding iron(III) chloride hexahydrate and sodium acetate trihydrate, stirring, reacting, filtering, taking filter cake, and washing.

HU D, LIAO W, LIU J, ZHOU Y