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Abstract

This paper reports on the development of a simple method for the determination of two perfluorinated hydrocarbons (C-7F-14 and C-8F-16) down to 10**-14 volume fraction in air, for the purpose of long range atmospheric tracer experiments. The organic vapours are absorbed on graphitized carbon black, desorbed thermally and determined by capillary GC-ECD at sub-ambient temperature. Optimization of the experimental conditions is described. The tracers have been tested in a field experiment, where SF-6 was also released and the agreement is satisfactory.

Additional information

Authors: DE BORTOLI M, JRC ISPRA ESTAB. (ITALY);PECCHIO E JRC ISPRA ESTAB. (ITALY), JRC ISPRA ESTAB. (ITALY)
Bibliographic Reference: 6TH INTERNATIONAL SYMPOSIUM ON CAPILLARY CHROMATOGRAPHY, RIVA DEL GARDA (ITALY), MAY 14-16, 1985 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 31945 ORA
Availability: Can be ordered online
Record Number: 1989123038300 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en