▎ 摘　　要

NOVELTY - Preparation of solid phase extraction column comprises using graphene alloy composite as filler. USE - Method for preparing solid phase extraction column used for enriching and purifying mycotoxins. ADVANTAGE - The column enriches and purifies nine mycotoxins in milk and has low cost and simple operation. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for use method of solid phase extraction column comprising extracting testing milk sample, redissolving, passing through solid phase extraction column, rinsing by leacheate, eluting, and collecting eluate.