6 Apparatus6.1 Differential Scanning Calorimeter—As a minimum requirement, the thermal analysis equipment shall be capable of measuring heat flow of at least 10 mW full scale. The instrument recorder shall be capable of displaying heat flow or temperature differential on the y-axis and time on the x-axis. The time base must be accurate to 61 … Continue reading ASTM D 8117 – Standard Test Method for Oxidative Induction Time of Polyolefin Geosynthetics by Differential Scanning Calorimetry – Testing Equipment