Home / Standards / GB/T 46293-2025 GB/T 46293-2025 Active Determination of total petroleum hydrocarbons in fertilizers—Infrared absorption spectrometry 肥料中石油烃总量的测定 红外吸收光谱法 Standard Type GBT ICS 65.080 CCS G20 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A