Development of an Analytical Method for Rapid Metal Determination in Stingless Bee Honey

IF 0.7 Q4 CHEMISTRY, MULTIDISCIPLINARY

Orbital: The Electronic Journal of Chemistry Pub Date : 2021-06-30 DOI:10.17807/orbital.v13i2.1449

Gislaine Pucholobek, Camila Kulek de Andrade, S. Quináia

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引用次数: 1

Abstract

Stingless bee honey is a product used for different purposes due to its composition, in which the presence of metallic species is highlighted. Depending on their amount, they may have either a nourishing or a toxic effect. Flame atomic absorption spectrometry (FAAS) is a commonly used technique for quantifying metals in samples such as honey. However, because of the complexity of the matrix, the sample must go through a preparation step for the analytes to be available for quantification. In the present work, a fast and efficient sample preparation method for the quantification of metallic ions in stingless bee honey was optimized, from the direct analysis of slurries using FAAS. The samples were suspended using honey (1.0 g and 2.5 g), nitric acid (1.4 mol L -1 and 0.2 mol L -1 ), hydrogen peroxide (1% and 3%) and ultrasonic agitation (5 and 10 minutes). Then, the proposed analytical method was validated by evaluating parameters such as linearity, limits of detection and quantification, precision and accuracy, all with adequate values compared to those established in the literature. DOI: http://dx.doi.org/10.17807/orbital.v13i2.1449

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无刺蜂蜂蜜中金属快速测定方法的建立

由于其成分，无刺蜂蜜是一种用于不同目的的产品，其中金属物种的存在是突出的。根据它们的数量，它们可能有滋补作用或毒性作用。火焰原子吸收光谱法(FAAS)是测定蜂蜜等样品中金属含量的常用技术。然而，由于基质的复杂性，样品必须经过一个制备步骤，分析物才能用于定量。本文从火焰吸收光谱法直接分析无刺蜂蜂蜜液中金属离子的角度出发，优化了一种快速高效的样品制备方法。用蜂蜜(1.0 g和2.5 g)、硝酸(1.4 mol L -1和0.2 mol L -1)、过氧化氢(1%和3%)和超声波搅拌(5和10分钟)悬浮样品。然后，通过评价线性度、检出限和定量限、精密度和准确度等参数对所提出的分析方法进行了验证，与文献中建立的分析方法相比，这些参数都具有足够的值。DOI: http://dx.doi.org/10.17807/orbital.v13i2.1449

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来源期刊

Orbital: The Electronic Journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： Orbital: The Electronic Journal of Chemistry is a quarterly scientific journal published by the Institute of Chemistry of the Universidade Federal de Mato Grosso do Sul, Brazil. Original contributions (in English) are welcome, which focus on all areas of Chemistry and their interfaces with Pharmacy, Biology, and Physics. Neither authors nor readers have to pay fees. The journal has an editorial team of scientists drawn from regions throughout Brazil and world, ensuring high standards for the texts published. The following categories are available for contributions: 1. Full papers 2. Reviews 3. Papers on Education 4. History of Chemistry 5. Short communications 6. Technical notes 7. Letters to the Editor The Orbital journal also publishes a number of special issues in addition to the regular ones. The central objectives of Orbital are threefold: (i) to provide the general scientific community (at regional, Brazilian, and worldwide levels) with a formal channel for the communication and dissemination of the Chemistry-related literature output by publishing original papers based on solid research and by reporting contributions which further knowledge in the field; (ii) to provide the community with open, free access to the full content of the journal, and (iii) to constitute a valuable channel for the dissemination of Chemistry-related investigations.