国家/地区 中国（3）
IPC部 B（2） C（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J020/30（2）
发明人 LI J（2） PENG J（2） WANG Y（2）
公开年
申请年
专利权人 NAT RES CENT GEOANALYSIS（3）

Preparation of magnetic graphene oxide composite material includes mixing ferric chloride hexahydrate, sodium acetate, surfactant and ethylene glycol, adding graphene oxide, performing magnetic separation, washing and drying.

WANG Y, CHEN X, DI M, PENG J, LI J, TAN K, ZHU X

Preparing sulfonated graphene for detecting heavy metal ions involves dispersing oxidized graphite in chloroform solution to obtain oxidized graphene dispersion liquid and adding chlorosulfonic acid or concentrated sulfuric acid.

WANG Y, CAO P, ZHAI M, CHEN B, PENG J, LI J

Preparing molecularly imprinted monolith solid phase micro extraction fiber comprises washing and drying by nitrogen, using N,N-dimethylformamide solution of graphene for configuration, and immersing in pre-prepared polymer solution.

CHEN J, QUAN X, TAN F, WANG X, LI L