The closed cup flash point of essence products was determined by using MINIFLASH automatic flash point detector according to ASTM D6450-16. The detection uncertainty was evaluated. Many factors that may influence the result of uncertainty were discussed, such as repeatability, temperature sensor and pressure sensor.%使用MINIFLASH全自动闪点仪,采用ASTM D6450-16标准测定了香精产品的闭杯闪点,并且对检测的不确定度进行了评估.探讨了重复性操作,温度传感器和压力传感器对不确定度的影响.
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