GB/T 27741-2011.Paper and board-Determination of migratable fluorescent whitening agents. 1范围 GB/T 2...
GB国家标准
GB国家标准
GB国家标准
GB/T 27741-2018 纸和纸板可迁移性荧光增白剂的测定
GB/T 27741-2018.Paper and board- Determination of migratable fluorescent whitening agents. 5.2.2盐酸溶液...