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Abstract

The features of a small (160x6 mm) inexpensive diffusion sampler employing Tenax as adsorbent to be used in indoor air quality investigations have been studied in a glass test cell with vapours of benzene, toluene, hexanal, 1.3-xylene, n-decane, limonene and naphtalene. Mean sampling flows over one week of 5.2-7.6 cm**3/h have been observed, independently of air humidity (40-80% R.H.) and air velocity (down to 0.001 m/sec.). The tightness of different cap types was determined employing perfluorocarbons as tracers and in few cases found as low as 0.1 cm**3/week. The sampler is amenable to completely automatic analysis.

Additional information

Authors: DE BORTOLI M, JRC ISPRA ESTAB. (ITALY);KNOEPPEL H, JRC ISPRA ESTAB. (ITALY);PECCHIO E, JRC ISPRA ESTAB. (ITALY);VISSERS H JRC ISPRA ESTAB. (ITALY), JRC ISPRA ESTAB. (ITALY)
Bibliographic Reference: INTERNATIONAL SYMPOSIUM: WORKPLACE AIR MONITORING, LUXEMBOURG (GRAND-DUCHY OF LUXEMBOURG), SEPT. 22-26, 1986 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 32667 ORA
Availability: Can be ordered online
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