Home / Standards / GB/T 20099-2006 GB/T 20099-2006 Active Sample preparation - Dispersing procedures for powders in liquids 样品制备-粉末在液体中的分散方法 Standard Type GBT ICS N/A CCS A28 Status 现行 Issue Date 2006-02-05 Implementation 2006-08-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委