Home / Standards / GB/T 42240-2022 GB/T 42240-2022 Active Nanotechnology—Measurement of metallic impurities in graphene powder—Inductively coupled plasma mass spectrometry 纳米技术 石墨烯粉体中金属杂质的测定 电感耦合等离子体质谱法 Standard Type GBT ICS 71.040.50 CCS G30 Status 现行 Issue Date 2022-12-30 Implementation 2023-07-01 Responsible Dept 中国科学院 Drafting Unit N/A