空气中氚的取样有鼓泡法、冷凝法、冷冻法、干燥法等方法,分别用这些方法作为工作原理的仪器进行取样实验,结合相关采样理论分析,建议如下:冷冻法可应用于我国北方冬季寒冷地区核电厂的外围空气中氚(HTO)的取样,冷凝法则可应用于南方的核电厂,不建议将鼓泡法采样器用于核电厂外围辐射环境监测.%Gas washing, vapor condensation, vapor freeze and drying are the major sampling methods of tritium in air. A series of experiments were carried out by different sampling instruments using those different sampling methods, in addition with analysis of relative sampling theories, suggestions are given as follow; The vapor freeze method could be used in the sampling of tritium in air around those Nuclear power plants (abbreviated as NPP) which are located in North China where the winter is relatively cold, while the vapor condensation method could be used in the ambient sampling around the NPPs of South China, gas washing method is not recommended to be used in the ambient sampling around the NPPs.
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