国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01J（5）
IPC B01J020/281（5）
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人

Preparation of nickel-silicon oxide/graphene nanotubes composite material used in e.g. magnetic solid-phase extraction, involves adding magnetic nickel nanotubes in mixed solution to obtain composite nanotubes, and dispersing in aqueous solution, and stirring and reacting.

CHENG Z, PENG C, WANG M, CAI Y, WU G, LI X

Preparing magnetic graphene oxide useful in adsorption of amide compound comprises mixing water sample containing amide compounds with magnetic graphene oxide, mixing, oscillating, adsorbing magnetic graphene oxide, taking solution, filtering, analyzing and detecting in liquid chromatography.

SUN Y, CHENG X, GU H, YAN C, CHEN Z, YU B, JI Y

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

Preparing graphene microsphere solid phase extracting agent comprises e.g. preparing graphene oxide dispersion liquid, placing in quartz tube connected to ultrasonic atomizer, atomizing into aerosol droplets, and heating quartz tube.

LIU L, NIE H, SHI Q

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