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  • Title: Onsite direct-read system for semi-quantitative detection of traces of beryllium on surfaces.
    Author: Tekleab TM, Mihaylov GM, Kirollos KS.
    Journal: J Environ Monit; 2006 Jun; 8(6):625-9. PubMed ID: 16767229.
    Abstract:
    The present work describes a simple and reproducible direct-read system for onsite monitoring of beryllium on surfaces of work areas. It is based on the colorimetric reaction of beryllium with active ingredients deposited in a swab. A color comparator consisting of beryllium color chart was designed to enable the semi-quantitative determination of beryllium in surface samples. The system provides a minimum detection limit of 0.01 microg sample(-1). Metals tested for any interference effect include Al(3+), Ba(2+), Cd(2+), Cu(2+), Co(2+), Cr(3+), Cr(6+), Fe(3+), Hg(2+), Mg(2+), Ni(2+), Pb(2+), Ti(4+) and UO(2)(2+). Validation of the system showed no significant effect from metal interferences on the quantification of beryllium.
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