This document specifies methods for the determination of copper, lead, zinc and arsenic in brines. This document is applicable to the determination of copper, lead, zinc and arsenic in brine; see Table 1 for the method detection limit and determination range. Table 1: Method detection limit and measurement range of copper, lead, zinc and arsenic Element name Method detection limit (mg/L) Measurement range (mg/L) Copper 0.026 0.078～40.00 Lead 0.030 0.090～40.00 Zinc 0.023 0.069～40.00 Arsenic 0.037 0.111～40.00
T/QAS 064-2021 history
2021T/QAS 064-2021 Determination of copper, lead, zinc and arsenic in brines by inductively coupled plasma emission spectrometry