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REVISTA DE CHIMIE
Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
ISSN Online 2668-8212
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Revista de Chimie (Rev. Chim.), Year 2014, Volume 65, Issue 4,





ALEXANDRU PANA, ION TANASE, DANA ELENA POPA
Application of a Plackett- Burman Statistical Design in the Determination Method of the Environmentally Hazardous Microelements (Ni, Pb, Cd) from Polyether Polyols

Abstract:

Quantifying environmentally hazardous elements content of polyether polyols used to obtain polyurethane foam based products, before selling them on the market, is regulated by the international laws so that the products have no negative impact on the environment. For the determination of hazardous elements there are not any standardized methods of analysis. For these reasons, to obtain a thorough characterization of the polyether polyols regarding the content of hazardous metals (Ni, Pb, Cd) a validated method is required. In the method development stage, a Plackett-Burman statistically designed experiment was used to identify which factors have the greatest impact on the performance parameters of the analytical method: the ashing time in the case of Pb, the atomization time for Cd determination and the bandpass in the case of Ni. The half-normal probability plots were constructed. Based on the estimated effects, the experimental error (SE) and the margin of error (ME) were also calculated. For Ni and Cd the non-significance intervals were estimated. Keywords: Plackett-Burman experimental design, Atomic absorption spectrometry, hazardous metals, polyether polyols

Issue: 2014, Volume 65, Issue 4
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