▎ 摘 要
NOVELTY - Environmentally friendly nano copper ion complex comprises 5-200 mu mol/l copper ion solution and 40-100 mg/l graphene solution in the volume ratio of 0.5-2:1. USE - The nano-copper ion complex is useful in agriculture or other fields for preparing bactericide (claimed). ADVANTAGE - The nano-copper ion complex has excellent broad-spectrum sterilization characteristics, and low toxicity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing environmentally friendly nano copper ion complex.