Home / Standards / GB/T 40272-2021 GB/T 40272-2021 Active Paper,board,pulps and cellulose nanomaterials—Determination of acid-soluble magnesium,calcium,manganese,iron,copper,sodium and potassium 纸、纸板、纸浆和纤维素纳米材料 酸溶镁、钙、锰、铁、铜、钠、钾的测定 Standard Type GBT ICS 85.010 CCS Y30 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A