Products, M&I Materials Ltd, Trafford Park, Manchester, United Kingdom
The air samples will be collected by the highly sensitive procedure of trapping them in refined Apiezon
L collectors above 37[degrees]C (to avoid water-vapor collection), and will be analyzed with the gas-chromato-graphic technique.
The GC-ECD columns employed were a Hewlett-Packard (Palo Alto, CA) Ultra II 5% phenylmethyloctadecylsilyl-bonded (DB-5) fused silica (25 m, 0.33 tam film thickness, 0.25 mm inner diameter) capillary column and a fused silica Apiezon
L (30 m, 0.25 [micro]m film thickness, 0.25 mm inner diameter) column.
Glass Wheaton jars (30-[cm.sup.3]) were annealed at 300 [degrees] C, sealed with red rubber Wheaton septa that had been boiled for 2 h, and then evacuated and sealed with Apiezon
Painesville Twp., OH 44077 Tel: (440)639-6399 Fax: (440)639-1292 URL:www.technicalglass.com email:firstname.lastname@example.org Circle 2102 on reader service card Fluids and Greases Apiezon
Products, M&I Materials Ltd.
) collars were placed over each ring.
Products, M&I Materials Ltd., Trafford Park, Manchester UK
Products, M&I Materials Ltd., Tralford Park, Manchester UK