About: AN INTERNATIONAL COMPARISON OF COUNTS OF AIRBORNE ASBESTOS FIBRES SAMPLED ON MEMBRANE FILTERS

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Attributs	Valeurs
type	work Article
Is Part Of	http://hub.abes.fr/oup/periodical/annhyg/1976/volume_19/issue_34/w
Subject	Articles
Title	AN INTERNATIONAL COMPARISON OF COUNTS OF AIRBORNE ASBESTOS FIBRES SAMPLED ON MEMBRANE FILTERS
has manifestation of work	http://hub.abes.fr/oup/periodical/annhyg/1976/volume_19/issue_34/101093annhyg1934215/m/web http://hub.abes.fr/oup/periodical/annhyg/1976/volume_19/issue_34/101093annhyg1934215/m/print
related by	http://hub.abes.fr/oup/periodical/annhyg/1976/volume_19/issue_34/101093annhyg1934215/authorship/3 http://hub.abes.fr/oup/periodical/annhyg/1976/volume_19/issue_34/101093annhyg1934215/authorship/1 http://hub.abes.fr/oup/periodical/annhyg/1976/volume_19/issue_34/101093annhyg1934215/authorship/2
Author	ATTFIELD M. D. BECKETT S. T. WALTON W. H.
Abstract	An asbestos fibre counting trial has been conducted between nine countries, based on the postal exchange of mounted and unmounted membrane filter samples between all participating laboratories. The experiment was designed to distinguish differences due to counting technique from those due to the method of clearing the filter. Counting technique differences gave ratios of highest to lowest count of 1.7 for amphibole and 2.8 for chrysotile asbestos. The most widely used clearing techniques (triacetin; or dimethyl phthalate with diethyl oxalate containing dissolved filter material) gave similar results; filters cleared by acetone vapour gave significantly higher counts.
article type	research-article
publisher identifier	19.3-4.215
is part of this journal	Annals of Occupational Hygiene

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