国家/地区 中国（3）
IPC部 G（2）
IPC大类 G01（2）
IPC小类 G01N（2）
IPC G01N030/06（2）
发明人 MENG L（3）
公开年 2012（3）
申请年 2012（3）
专利权人 UNIV CHINA A.（2）

Method for using graphene purifying pyrethroid-like farm chemical residue vegetables e.g. cucumber, to analyze pesticide residue of vegetables, involves detecting supernatant adding anhydrous sodium sulfate to remove residual water.

LIU X, MA Y, MENG L, WU X, ZHANG H

Preparing graphene/metal oxide nanocomposite powder comprises e.g. taking and mixing graphite with strong oxidizing acid and nitrate mixture and then cooling, adding the potassium-containing strong oxidizer, and reacting the mixture.

BU H, DONG W, GUAN S, HUANG Y, LI J, LI Y, JIANG Z, LIU L, MENG L, ZHANG D

Detecting neonicotinoid pesticide residue in water using graphene, by vortexing graphene added water sample, adding extracting solvent and sodium chloride to precipitate, concentrating and detecting sample, and recovering graphene.

LIU X, MA Y, MENG L, WU X, ZHANG H