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  • Sensitive indoor air monitoring of monoterpenes using different adsorbents and thermal desorption gas chromatography with mass-selective detection.

Sensitive indoor air monitoring of monoterpenes using different adsorbents and thermal desorption gas chromatography with mass-selective detection.

Journal of chromatography. A (2002-08-30)
Juliane Hollender, Frank Sandner, Manfred Möller, Wolfgang Dott
ABSTRACT

A simple method using active trapping on adsorbents and thermal desorption followed by GC-MS analysis was developed for the indoor air monitoring of monoterpenes. The study was carried out using a dynamically generated atmosphere consisting of 11 monoterpenes: camphene, camphor, delta 3-carene, 1,8-cineol, limonene, linalool, alpha-pinene, beta-pinene, alpha-terpinene, gamma-terpinene, fenchyl alcohol. The influence of the different adsorbents Tenax TA, Tenax GR, Carbosieve SIII, Chromosorb 106 on the yield of six selected monoterpenes at indoor air concentrations was studied. The adsorbent Tenax GR gave relatively the best yields followed by Tenax TA. Detection limits of approximately 1 microgram m3 were determined with Tenax GR for most of the monoterpenes.

MATERIALS
Product Number
Brand
Product Description

Supelco
Carbosieve Adsorbent, matrix Carbosieve G, 80-100 mesh, bottle of 5 g
Supelco
Carbosieve Adsorbent, matrix Carbosieve S-III, 60-80 mesh, bottle of 10 g
Supelco
Carbosieve Adsorbent, matrix Carbosieve S-II, 60-80 mesh, bottle of 10 g
Supelco
Carbosieve Adsorbent, matrix Carbosieve S-II, 80-100 mesh, bottle of 10 g
Supelco
Carbosieve Adsorbent, matrix Carbosieve G, 60-80 mesh, bottle of 5 g
Supelco
Carbosieve SIII, stainless steel TD tube, O.D. × I.D. × L 6 mm × 4 mm × 7 in., preconditioned, pkg of 1 ea