Interlaboratory Proficiency Test 11/2019. Metals in waste waters

Show simple item record Leivuori, Mirja Koivikko, Riitta Sara-Aho, Timo Näykki, Teemu Tervonen, Keijo Lanteri, Sari Väisänen, Ritva Ilmakunnas, Markku 2020-03-25T06:56:16Z 2020-03-25T06:56:16Z 2020
dc.identifier.isbn 978-952-11-5146-0
dc.description.abstract Proftest SYKE carried out the proficiency test (PT) for analysis of elements in waste waters in October-November 2019 (MET 11/19). The measurands for the synthetic and waste water samples were: Al, As, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, Hg, K, Mg, Mn, Mo, Ni, Pb, Sb, Se, Sn, Sr, Ti, V, and Zn. In total 23 laboratories participated in the PT. In total, 89 % of the results evaluated with z scores were satisfactory when total deviation of 10–25 % from the assigned value was accepted. Of the results evaluated with En scores, 91 % were satisfactory. Basically, either the metrologically traceable concentration, the calculated concentration, the robust mean, the mean or the median of the results reported by the participants was used as the assigned value for measurands. Warm thanks to all the participants in this proficiency test fi
dc.language.iso fi fi
dc.publisher Suomen Ympäristökeskus fi
dc.relation.ispartofseries Reports of the Finnish Environment Institute 10/2020 fi
dc.subject pätevyyskoe
dc.title Interlaboratory Proficiency Test 11/2019. Metals in waste waters fi
dc.type Kirja
dc.identifier.laitoskoodi Suomen Ympäristökeskus fi
dc.subject.yso jätevesi
dc.subject.yso vesianalyysi
dc.subject.yso pätevyys
dc.subject.yso laboratoriot

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