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空气中苯、甲苯、二甲苯被动式采样器研制

尹洪银,张春玲,邵华

CHINESE JOURNAL OF PUBLIC HEALTH（2008）

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Abstract
被动式采样是基于分子扩散原理或渗透原理采集溶媒中气态或蒸气态污染物的一种采样方法.与主动式采样器比较,其主要特点在于不需要任何电源和抽气动力,因此,又称为无泵采样器,这种采样器具有体积小、质量轻、操作简便、易维护和安全可靠的特点[1,2].
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