ASTM D7134-05
用矩阵辅助激光解吸/离子化(MALDI)-飞行时间(TOF)质谱(MS)法测定无规立构聚苯乙烯的平均分子量和分子量分布的标准试验方法
Standard Test Method for Molecular Mass Averages and Molecular Mass Distribution of Atactic Polystyrene by Matrix Assisted Laser Desorption/Ionization (MALDI)-Time of Flight (TOF) Mass Spectrometry (MS)