@article{Kipphardt_2009,<br/><span class="tab"></span> title={Purity determination as needed for the realisation of primary standards for elemental determination: status of international comparability},<br/><span class="tab"></span> volume={15},<br/><span class="tab"></span> ISSN={1432-0517},<br/><span class="tab"></span> url={http://dx.doi.org/10.1007/s00769-009-0557-0},<br/><span class="tab"></span> DOI={10.1007/s00769-009-0557-0},<br/><span class="tab"></span> number={1},<br/><span class="tab"></span> journal={Accreditation and Quality Assurance},<br/><span class="tab"></span> publisher={Springer Science and Business Media LLC},<br/><span class="tab"></span> author={Kipphardt,<br/><span class="tab"></span> Heinrich and Matschat,<br/><span class="tab"></span> Ralf and Vogl,<br/><span class="tab"></span> Jochen and Gusarova,<br/><span class="tab"></span> Tamara and Czerwensky,<br/><span class="tab"></span> Michael and Heinrich,<br/><span class="tab"></span> Hans-Joachim and Hioki,<br/><span class="tab"></span> Akiharu and Konopelko,<br/><span class="tab"></span> Leonid A. and Methven,<br/><span class="tab"></span> Brad and Miura,<br/><span class="tab"></span> Tsutomu and Petersen,<br/><span class="tab"></span> Ole and Riebe,<br/><span class="tab"></span> Gundel and Sturgeon,<br/><span class="tab"></span> Ralph and Turk,<br/><span class="tab"></span> Gregory C. and Yu,<br/><span class="tab"></span> Lee L.},<br/><span class="tab"></span> year={2009},<br/><span class="tab"></span> month=jul,<br/><span class="tab"></span> pages={29–37} }