Trace elements and REEs in rivers and lakes of the upper Yana River, Northern Eurasia

The helicopter-based sampling campaign took place from 22 to 24 August, 2017. All samples were sealed with Parafilm tape and stored in the field at temperatures between 5°C and 10°C in cool place, in organic topsoil, and in the laboratory, at 4°C, before the analysis. Samples for trace elements were pre-filtered through 0.22 μm cellulose acetate membrane filters before analysis. Trace elements, including REEs, were measured at the Institute of Microelectronics Technology and High Purity Materials, RAS (Chernogolovka, Russia) using ICP-MS/AES.

本次依托直升机的采样工作于2017年8月22日至24日开展。所有样品均以Parafilm封口膜密封，采自有机表层土；分析前，样品先在野外阴凉处以5℃至10℃的条件储存，随后转移至实验室，以4℃保存。用于痕量元素检测的样品在分析前需经0.22 μm醋酸纤维素膜滤器进行预过滤。包括稀土元素（REEs, Rare Earth Elements）在内的痕量元素检测工作，由位于俄罗斯切尔诺戈洛夫卡的俄罗斯科学院（RAS）微电子技术与高纯材料研究所完成，检测采用电感耦合等离子体质谱/原子发射光谱（ICP-MS/AES）技术。