Cooperation Centre for Scientific Research Relative to Tobacco
Centre de Coopération pour les Recherches Scientifiques Relatives au Tabac

A multidisciplinary group, chaired by a quality specialist, has devised acceptable limits for 6 physical properties of cigarettes : tobacco weight, hardness, moisture-content, filter ventilation, diameter, tendency for cigarettes to lose their...

The stimulation of sensorial receptors by irritants induces, in small rodents, a decrease of respiratory frequency which is proportionnal to the agent concentration (Alarie test). This test is proposed for the evaluation of the irritant effect of...

In 1988, CERTTA initiated a study of a new cigarette and filter testing station to replace the SODIMATIC, which had become obsolete. In 1989, this gave rise to the SODIMAT. Like its predecessor, it is able to measure the following parameters...

The litterature on health risks for non smokers, resulting from passive exposure to environmental tobacco smoke, is abundant and conflicting. This bibliographical review attempts to make a critical analysis of the studies to facilitate the...

A comparative study was conducted in 1995-96, during 8 months, on biodegradation of several types of cigarette butts, in natural (B1) and laboratory (B2) environments. Non filter cigarette butts were compared with filter butts made of cellulose...

The specific surface area of two tobacco blends, a dark air-cured and a Virginia, have been measured by the conventional methodology using Kr gas. In an independent set of experiments, the isotherms of water adsorption have been determined for...

Seita has equipped itself with a coherent system for assessing aspect defects of products which takes into account the customer requirements. After count and definition of defects, the latest have been classified in 3 categories "critical", "major",...