Home / Standards / GB/T 505-1965 GB/T 505-1965 Active Determination of mercaptan-sulfur in engine fuels (ammonia-copper sulfate method) 发动机燃料硫醇性硫含量测定法 (氨-硫酸铜法) Standard Type GBT ICS 75.160.20 CCS E31 Status 现行 Issue Date 1965-01-20 Implementation 1965-10-01 Responsible Dept 国家标准委 Drafting Unit N/A