The automated determination of volatile
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Kirshen, Norman ;Almasi, Elizabeth
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Article
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1991
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John Wiley and Sons
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English
โ 475 KB
## Abstract Two systems have been developed which are suitable for the determination of sub parts per billion levels of organic contaminants in ambient air and soil gas. Gas samples are passed through an adsorbent where the contaminants are trapped. Following thermal desorption the contaminants are