该标样是通过红外光谱或者其他技术分析15W40柴油机油中烟炱含量，所有数值都经过热重分析法(TGA)测量验证。烟炱含量范围（％)体积(mL>产品编号Blank50VHG-SOOT-BLK-500.5-250VHG-SOOT-A-502-450VHG-SOOT-B-504-650VHG-SOOT-C-506-950VHG-SOOT-D-509-1250VHG-SOOT-E-50Setofall66x50VHG-SOOT-SET)