Rubber—Analysis by pyrolytic gas-chromatographic methods—Part 2:Determination of styrene/butadiene/isoprene ratio
IDT ISO 7270-2:2012
全国橡胶与橡胶制品标准化技术委员会通用试验方法分会(SAC/TC 35/SC 2)
GB/T 29613的本部分规定了使用裂解气相色谱法测定在生橡胶、未硫化胶、硫化橡胶中以共聚物、均聚物和（或）共聚物形式存在的苯乙烯（ST）/丁二烯（BD）/异戊二烯（IP）的比率。
本部分适用于测定苯乙烯/丁二烯/异戊二烯及其混合物的共聚物或三元共聚物。
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