Determination of 48 elements in 7 plant CRMs by ICP-MS/MS with a focus on technology-critical elements

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Seven plant certified reference materials (NIST SRM1515 Apple Leaves, NIST SRM1547 Peach Leaves, BCR-129 Hay Powder, BCR-670 Aquatic Plant, GBW07603 Bush Twigs and Leaves, GBW10015 Spinach Leaves and NCS ZC73036a Green Tea) were analysed for their mass fractions of 48 elements by inductively coupled plasma tandem-mass spectrometry (ICP-MS/MS): Li, Be, Na, Mg, Al, Ca, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Nb, Mo, Ag, Cd, Sb, Te, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ta, Tl, Pb, Bi, Th, U. Special focus was put on the determination of technology-critical elements (TCEs), to which, e.g. Li, Be, Ga, Ge, Nb, Sb, Ta, Tl, Bi, and the rare-earth elements (REEs, lanthanides and Y) are counted. Closed-vessel microwave digestion was performed using HNO3, H2O2 and HBF4. The average bias for certified values is  − 1% ± 13% (SD). Limits of detection (xL) in the measured solutions lie between 13 fg g−1 (Tb) and 52 ng g−1 (Ca). This article seeks to provide an optimised measurement procedure for the determination of element mass fractions of emerging importance in environmental samples, which are challenging to analyse with more traditional techniques such as single-quad ICP-MS. In addition, it aims to improve the characterisation of commonly used plant reference materials by providing mass fraction data for rarely studied elements.
Seiten (von - bis)1159-1172
FachzeitschriftAnalytical and bioanalytical chemistry
Ausgabenummer10. January
PublikationsstatusVeröffentlicht - 10 Jan. 2023

Bibliographische Notiz

Funding Information:
Open access funding provided by Montanuniversität Leoben. This research was funded by the Austrian Science Fund FWF (Fonds zur Förderung der wissenschaftlichen Forschung), grant number P 33099-N; . S. Lancaster was partially funded from MetroCycleEU (20IND01). This project (20IND01 MetroCycleEU) has received funding from the EMPIR programme co-financed by the Participating States and from the European Union’s Horizon 2020 research and innovation programme.

Publisher Copyright:
© 2023, The Author(s).

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