152 research outputs found

    Tetra­ethyl­ammonium tetra­kis­(1,1,1,5,5,5-hexa­fluoro­acetyl­acetonato)terbate(III)

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    The title compound, (C8H20N)[Tb(C5HF6O2)4], is a tetrakis β-diketonate complex of hexa­fluoro­acetyl­acetone with terbium(III), and tetra­ethyl­ammonium as the counter-ion. This compound shows typical green terbium(III) luminescence upon excitation at about 335 nm. The coordination geometry around the TbIII atom is a slightly distorted square anti­prism. One hexa­fluoro­acetyl­acetone ligand has a disordered CF3 group [occupancies of 0.575 (4) and 0.425 (4)]. A three-dimensional network is built up by linkage of TbIII complexes via C—H⋯F inter­actions

    Evaluation of the shedding potential of textile materials

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    A practical method is proposed to assess the shedding potential of textile materials. The evaluation of the sheddability is based on the use of adhesive tapes and on comparison, using three different sheddability scales for cotton, wool and fine man-made fibres. (c) 2010 Forensic Science Society. Published by Elsevier Ireland Ltd. All rights reserved
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