Home / Standards / GB/T 47298-2026 GB/T 47298-2026 Upcoming Determination of carbonate content of soil—Volumetric method 土壤碳酸盐含量的测定 气量法 Standard Type GBT ICS 13.080 CCS B 10 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 农业农村部 Drafting Unit N/A