Separation and determination of tellurium(IV) and tellurium(VI) using reversed-phase high-performance liquid chromatography-inductively coupled plasma mass spectrometry

IF 1.8 4区化学 Q3 CHEMISTRY, ANALYTICAL

Analytical Sciences Pub Date : 2024-09-05 DOI:10.1007/s44211-024-00663-y

Tomohiro Narukawa, Ayaka Wada, Chikako Cheong, Koichi Chiba

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引用次数: 0

Abstract

A new method for speciation analysis of tellurium(IV) and Te(VI) using high-performance liquid chromatography-inductively coupled plasma mass spectrometry (HPLC-ICP-MS) has been developed. Tellurium(IV) and Te(VI) were completely separated using a reversed-phase column with an L-cysteine eluent under an isocratic elution condition. The detection limits (3σ) of Te(IV) and Te(VI) monitored by HPLC-ICP-MS at m/z 125 were 1.4 and 0.5 ng g⁻¹, respectively. The proposed determination method was precisely applied to assessing total concentrations and chemical species of Te in several standard solutions. The recovery rates of Te(IV) and Te(VI) were almost 100% from the results of the addition-recovery examinations, even when a high matrix sample such as seawater was measured. The method was applied to seawater samples and electronic products, and was proved quite effective for environmental risk assessment.

Graphical Abstract

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利用反相高效液相色谱-电感耦合等离子体质谱法分离和测定碲（IV）和碲（VI）。

开发了一种利用高效液相色谱-电感耦合等离子体质谱（HPLC-ICP-MS）分析碲（IV）和碲（VI）的新方法。采用反相色谱柱，以 L-半胱氨酸为洗脱剂，在等度洗脱条件下完全分离了碲(IV)和碲(VI)。通过 HPLC-ICP-MS 在 m/z 125 检测到的 Te(IV) 和 Te(VI) 的检出限（3σ）分别为 1.4 和 0.5 ng g-1。所提出的测定方法被精确地用于评估几种标准溶液中 Te 的总浓度和化学种类。从加标-回收试验的结果来看，Te(IV) 和 Te(VI)的回收率几乎达到了 100%，即使在测量高基质样品（如海水）时也是如此。该方法被应用于海水样品和电子产品，并被证明对环境风险评估相当有效。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Analytical Sciences 化学-分析化学

CiteScore

2.90

自引率

18.80%

发文量

232

审稿时长

1 months

期刊介绍： Analytical Sciences is an international journal published monthly by The Japan Society for Analytical Chemistry. The journal publishes papers on all aspects of the theory and practice of analytical sciences, including fundamental and applied, inorganic and organic, wet chemical and instrumental methods. This publication is supported in part by the Grant-in-Aid for Publication of Scientific Research Result of the Japanese Ministry of Education, Culture, Sports, Science and Technology.