▎ 摘 要
NOVELTY - A graphene silica solid phase extraction material comprises graphene aerogel. A silica gel matrix is filled in graphene aerogel. USE - Graphene silica solid phase extraction material. ADVANTAGE - The graphene silica solid phase extraction material has high column capacity, high graphene aerogel capillary action and high sensitive detection effect, effectively adsorbs silica gel matrix, and does not need to use other polymer support materials. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene silica solid phase extraction material, which involves preparing graphene aerogel, annealing of graphene aerogel and filling graphene aerogel with silica gel matrix.