Home / Standards / GB/T 8120-1987 GB/T 8120-1987 Active High-purity n-heptane and isooctance--Determination of purity--Capillary gas chromatography 高纯正庚烷和异辛烷纯度测定法 (毛细管色谱法) Standard Type GBT ICS 75.160.20 CCS E49 Status 现行 Issue Date 1987-07-29 Implementation 1988-08-01 Responsible Dept 国家标准委 Drafting Unit N/A