Home / Standards / GB/T 40173-2021 GB/T 40173-2021 Active Determination of reducing-end sugar in water-soluble chitosan—Spectrophotometric method 水溶性壳聚糖中还原性端基糖的测定 分光光度法 Standard Type GBT ICS 07.080 CCS A40 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 国家标准委 Drafting Unit N/A