中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 40272-2021
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
Issued Date:2021/5/21
Implemented Date:2021/12/1
Issued by:
The Standardization Administration of the People's Republic of China