Fluorinated olefins for refrigerant use—General method for the determination of acidity
全国化学标准化技术委员会制冷剂分技术委员会(SAC/TC 63/SC 9)
本标准规定了用酸碱滴定法测定制冷剂用氟代烯烃中酸度的通用试验方法的方法原理、采样、试验方法、允许差等。
本标准适用于低压、中压和高压制冷剂用氟代烯烃中酸度的测定。本试验方法检测灵敏度为0.000 005%。
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