T/HNNMIA 14-2023 Determination of Rare Earth Element Content in Copper, Lead, and Zinc Polymetallic Ore by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Scope

Main technical content: This document specifies the method for determining the content of rare earth elements in copper, lead, and zinc polymetallic ores by inductively coupled plasma mass spectrometry. This document is applicable to the determination of rare earth element content in copper, lead, and zinc polymetallic ores. The determination range and method detection limit are shown in Table 1. Table 1: Determination range and method detection limit of each element Element Determination range Method detection limit μg/g μg/g Y 0.44–6500 0.11 La 0.48–500 0.12 Ce 0.96–500 0.24 Pr 0.11–2000 0.026 Nd 0.32–2000 0.078 Sm 0.080–100 0.020 Eu 0.036–100 0.009 Gd 0.092–100 0.023 Tb 0.009–100 0.003 Dy 0.060–100 0.015 Ho 0.016–100 0.004 Er 0.068–100 0.017 Tm 0.008–100 0.002 Yb 0.048–100 0.012

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