Science Daily reported that China’s first graphene national standard “China’s ninth technical term part 13: graphene and related two-dimensional materials” (GB / T 30544.13-2018 ) was officially announced. According to the standard, graphene can be composed of single or multiple layers, closely bonded to adjacent atoms and must have a dimension in the nanoscale or less.
Japan JST China news, January 18, 2019
China announces first graphene national standard