Figure - available via license: Creative Commons Attribution 3.0 Unported
Content may be subject to copyright.
Source publication
Tin content in samples of canned fruits and vegetables was determined by hydride generation inductively coupled plasma atomic emission spectrometry (HG-ICP-OES), and it was compared with results obtained by standard method of flame atomic absorption spectrometry (AAS). Selected tin emission lines intensity was measured in prepared samples after add...
Similar publications
We developed a mercury-free method for the
determination of copper in tequila using ASV with
standard additions. This consists of applying a deposition
potential to a Pt working electrode so as to deposit Cu.
After 1 minute, we apply an oxidation potential and use
the resulting oxidation current for quantification. We use
a standard addition method...
Citations
... Canning is a simple and inexpensive technology for preserving the freshness of foodstuffs [1][2][3][4][5]. Canned products have a long shelf life and do not require storage at low temperatures or any special treatment during their transport or distribution [2,3]. ...
... Due to the moderate toxicity, a maximum permissible level of 200 mg kg −1 of Sn in canned food has been set by the European Union [16]. Consequently, determining Sn in such products became important because it gives information about the contamination process and helps improve canned food quality and safety [1,5,12]. ...
... The determination of Sn in canned food concerns mainly vegetables and their products [5,6,8,[10][11][12][13][14][15][17][18][19][20][21][22][23][24][25][26][27], fruits [1,5,10,14,15,18,28,29], mushrooms [21,30], meat [3,4,14,15,18,26,30,31], and fish [2][3][4]10,14,18,20,[23][24][25][26][27][30][31][32][33][34]. Tomatoes are among the most popular vegetables cultivated worldwide for fresh consumption [11]. ...
An analytical method with no need for laborious sample preparation before determining the total Sn in canned tomatoes by hydride generation (HG) coupled to inductively coupled plasma optical emission spectrometry (ICP OES) was developed. The ultrasound-assisted extraction with various reagents (acidic media: HCl, HNO3, CH3COOH or aqua regia and alkaline: TMAH) that could replace the traditional wet sample digestion in the presence of a concentrated HNO3-H2O2 mixture was tested and compared. Tin hydride was generated directly from the prepared sample solution in the reaction with 1% NaBH4 or via prior acidification with a 1 mol L−1 HCl. The effect of the sample pretreatment before HG-ICP OES measurements on the Sn signal was also examined. The best results were obtained with aqua regia as the extraction medium, followed by a simple two-fold dilution of the sample extract combined with the addition of L-cysteine. The developed method was characterized by a detection limit of Sn at 0.74 ng g−1, a precision of better than 6%, and a trueness, verified by the analyte spike-and-recovery test, of 98.4–104%. Its usefulness was demonstrated by the determination of Sn in seven canned tomatoes.
... Cold vapor atomic absorption spectrometry (CV-AAS) is usually used for the quantification of Hg [6]. The connection of hydride generation with inductively coupled plasma optical emission spectrometry (HG-ICP-OES) or mass spectrometry (HG-ICP-MS) is widely used to enhance the sensitivity of semimetal quantification and to eliminate the majority of matrix interferences [7]. Hydride generation atomic fluorescence spectrometry (HG-AFS) is also a suitable detection method for the quantification of hydride forming elements (mainly As, Se, and Sb), and cold vapor atomic fluorescence spectrometry (CV-AFS) can be successfully used for the quantification of Hg [8,9]. ...
Food safety analysis involves many subfields. One of them is inorganic analysis aimed to the quantification of various trace elements. The main attention in this field is paid to toxic, potentially toxic, and essential trace elements. However in many cases, direct quantification of trace elements in a complex food matrix is almost impossible. To resolve this problem, a combination of a suitable separation procedure with a reliable quantification method is required to deliver accurate results. One of the separation techniques that is currently receiving considerable attention is cloud point extraction (CPE). The use of optimized CPE procedures with commonly available spectrometric methods (e.g., UV-Vis spectrophotometry, flame atomic absorption spectrometry, electrothermal atomic absorption spectrometry, hydride generation atomic absorption spectrometry, cold vapor atomic absorption spectrometry, inductively coupled plasma optical emission spectrometry) provides the powerful tool for reliable quantification of many trace elements (e.g., Al, As, Cd, Cu, Hg, Pb, Mn, Ni, Sb, Se, Sn, Zn, and many others) in various types of food matrices (e.g., fresh vegetables, ground grain samples, canned food samples, various powdered food samples, and many others), as documented by studies included in this review.
... [12][13][14] Therefore, it is particularly important to explore an accurate, simple and effective method to detect Sn(II)/Sn(IV). Conventional analysis methods for detecting Sn(II) is atomic absorption spectrometry, 13,14 spectral method, 15 voltammetry, 16,17 and potential method, 18,19 etc. These methods cannot differentiate between samples of Sn(II) and Sn(IV). ...
Dual-function and multi-function sensors can use the same material or detection system to achieve the purpose of detection of two or more substances. Due to their high sensitivity and specificity, dual-function and multi-function sensors have potential applications in many fields. In this article, we designed a dual-function sensor to detect Sn(ii) and ascorbic acid (AA) based on the inner filter effect (IFE) between NaYF4:Yb,[email protected]4@PAA ([email protected]) and Fe(ii)-1,10-phenanthroline complex. Fe(ii)-1,10-phenanthroline complex has strong absorption in most of the ultraviolet-visible light range (350 nm-600 nm), and this absorption band overlaps with the green emission peak of [email protected] at 540 nm; Fe(ii)-1,10-phenanthroline complex can significantly quench the green light emission of [email protected] When Sn(ii) or AA is added to the [email protected]/Fe(iii)/1,10-phenanthroline, they can reduce Fe(iii) to Fe(ii). Fe(ii) can react with 1,10-phenanthroline to form an orange complex, thereby quenching the green light emission of [email protected] And the quenching efficiency is related to the concentration of Sn(ii) and AA; there is a linear relationship between quenching efficiency and the concentration of Sn(ii) and AA, within a certain concentration range the detection limits of this dual-function sensor for Sn(ii) and AA are 1.08 μM and 0.97 μM, respectively. In addition, the dual-function sensor can also detect Sn(ii) and AA in tap and spring water.
... Cold vapor atomic absorption spectrometry (CVAAS) is usually used for the determination of mercury (Dědina 2007). The technique of hydride generation with inductively coupled plasma optical emission spectrometry (HG-ICP-OES) or mass spectrometry (HG-ICP-MS) is widely used to enhance the sensitivity of semimetal determination and to eliminate the majority of matrix interferences in plasma (Rončević et al. 2012). Atomic fluorescence spectrometry (AFS) is also a suitable detection method for the determination of hydride forming elements (mainly As, Se and Sb) and Hg (Sanchez-Rodas et al. 2010). ...
... The authors observed that the microwave digestion procedure of cheese samples is advantageous compared to dry and wet ashing methods because of the simpler, effective, and faster procedure of sample preparation, which produced less contamination. Rončevi c et al. [43] determined the tin content in several canned vegetables and fruits leached out from the tinplate packaging. The authors reported that tin content gives information about the contamination process and provides help to increase canned food quality and safety. ...
... Quantitative determination of Sn(II) compounds in aqueous solutions can be proceeded by chemical methods such as: iodometric titration [4]; precipitation with insoluble Sn(II) sulphide formation; complexometry titration, based on the formation of a sufficiently stable Sn(II) complex with ethylenediaminetetraacetic acid. Physicochemical methods such as atomic absorption spectroscopy and inductively coupled plasma atomic emission spectroscopy [5] are also used for quantitative tin analysis. Chemical methods require a lot of time and may be inaccurate if there are many components in the solution. ...
The way of Sn(II) quantitative determination in the presence of Sn(IV) in acid electrolytes which are used for the tin electrodeposition is proposed. The method is based on the analysis of current density in the maximum of the first stage of Sn(II) reduction.
... Elevated concentration of tin causes serious interferences to the metabolism of zinc (Blunden & Wallace, 2003;Ulusoy, Gürkan, Demir, & Ulusoy, 2012). The source of tin in food and beverages is due to tinplate packaging (Blunden & Wallace, 2003;Rončević , Benutić , Nemet, & Gabelica, 2012;Mino, 2006). The tinplate packaging prevents oxygen from entering the food products and to keep sterile foodstuff as well keeping it for a long and safe shelf life with minimal use of preservatives (Rončević et al., 2012). ...
... The source of tin in food and beverages is due to tinplate packaging (Blunden & Wallace, 2003;Rončević , Benutić , Nemet, & Gabelica, 2012;Mino, 2006). The tinplate packaging prevents oxygen from entering the food products and to keep sterile foodstuff as well keeping it for a long and safe shelf life with minimal use of preservatives (Rončević et al., 2012). Additionally, tinplate packaging is extensively used for production of beverage cans. ...
... Additionally, tinplate packaging is extensively used for production of beverage cans. Therefore, the use of tinplate package for foods and beverages may result in some tin dissolving into food content (Rončević et al., 2012). This may results in high concentration of tin in canned foods, especially canned tomato sauce and fruit juices (Rončević et al., 2012;Uluozlu & Tuzen, 2015;Unal & Somer, 2011). ...
The aim of this study was to develop a simple and fast ultrasound-assisted ionic liquid dispersive liquid-liquid phase microextraction (UA-IL-DLLME) method for preconcetration of trace antimony and tin in beverage samples. The novelty of this study was based on the application of ligandless UA-IL-DLLME using low-density ionic liquid and organic solvents for preconcentration of Sb and Sn. The concentration of Sb and Sn were quantified using ICP-OES. Under the optimum conditions, the calibration graph was found to be LOQ-250 µg L⁻¹ (r² = 0.9987) for Sb and LOQ- 350 µg L⁻¹ for Sn. The LOD and LOQ of Sb and Sn ranged from 1.2-2.5 ng L⁻¹ and 4.0-8.3 ng L⁻¹, respectively, with high preconcentration factors. The precisions (%RSD) of the proposed method ranged from 2.1-2.5% and 3.9-4.7% for Sb and Sn, respectively. The proposed method was successfully applied for determination of Sb and Sn in beverages.
... Cold vapor atomic absorption spectrometry (CVAAS) is usually used for the determination of mercury (Dědina 2007). The technique of hydride generation with inductively coupled plasma optical emission spectrometry (HG-ICP-OES) or mass spectrometry (HG-ICP-MS) is widely used to enhance the sensitivity of semimetal determination and to eliminate the majority of matrix interferences in plasma (Rončević et al. 2012). Atomic fluorescence spectrometry (AFS) is also a suitable detection method for the determination of hydride forming elements (mainly As, Se and Sb) and Hg (Sanchez-Rodas et al. 2010). ...
This review summarizes and discusses applications related to the determination of (ultra)trace elements in biological fluids using cloud point extraction as sample pretreatment technique. Biological fluids, such as urine, whole blood, serum or plasma, are the most often analyzed biological materials in these applications. Spectrometric methods, such as flame atomic absorption spectrometry, electrothermal atomic absorption spectrometry, inductively coupled plasma optical emission spectrometry, and inductively coupled plasma mass spectrometry, are commonly used for quantification of elements preconcentrated by the extraction technique. Optimized extraction procedures lead to the high extraction recoveries of the target analytes. High enrichment factors achieved lead to the lowering of quantification limits. All these achievements illustrate the great potential of extractions for reliable quantification of (ultra)trace elements in complex biological matrix what is documented in this review of a number of works published on this topic.
... 20.02.2011, Бюл. № 10. [16] Tin сontent determination in canned fruits and vegetables by hydride generation inductively coupled plasma optical emission spectrometry / S. Rončević [et al.] // Int. J. Anal. ...
New analytical systems «polymeric flocculant (PF)−nonylfluorone (NF)−metal ion» were proposed for spectrophotometric determination of germanium and tin in plant materials. It is shown the higher efficiency of the modifying action of PF nonionic nature (polyvinylpyrrolidone, PVP) compared with the cationic PF polyhexamethyleneguanidine chloride. The presence of PVP increases absorbance complex solutions of both metals on 3.5 times. It is found that the compositions of binary complex Ge(IV) and Sn(IV) being equal to 1:2 in the presence of PF. The interval of optimum values of acidity is pH 1−4, concentration of modifier (PVP) is 0.16 g/L. The difference in absorption of solutions PF–NF–metal and reference solution depends linearly on the concentration of metal in the range of 0.01−0.06 μg Ge(IV)/mL (ε=1.35∙10 ⁵, λ=515 nm) and 0.18-0.90 μg Sn(IV)/mL (ε=4.2∙10 ⁴, λ=520 nm). The developed method was tested in the determination of germanium in garlic and aloe and tin in pomegranate. The correctness of the results were confirmed by independent spectrophotometric methods which used phenylfluorone and quercetin as reagents.
... Atomic absorption spectrometry (AAS) has been applied for the quantitative determination of tin in food, biological, environmental and other samples [11], being the flame atomic absorption spectrometry (FAAS) the most common technique for elemental determination in mg L − 1 levels. Nevertheless, the determination of tin by AAS is a challenging task [11,12]. For example, to determine tin in canned foods and liquids by FAAS, the use of acetylene-nitrous oxide flame is recommended [12]. ...
... Nevertheless, the determination of tin by AAS is a challenging task [11,12]. For example, to determine tin in canned foods and liquids by FAAS, the use of acetylene-nitrous oxide flame is recommended [12]. Furthermore, nitrous oxide cost is higher in comparison to compressed air. ...
... Considering detection limits for tin in FAAS, these are relatively poor, generally in the range of 1 and 5 mg L −1 . In order to improve detection limits, hydride generation and ETAAS have been applied for tin determination at μg L −1 or lower levels [11][12][13][14], nevertheless some disadvantages have been described, such as memory effects, tin deposition in the quartz cell and extended purging time [14]. ...
The determination of tin by FAAS is widely recognized as a difficult task in atomic spectrometry because of low sensitivity, poor detection limits and important interferences. In this work a new sample introduction system, the subcritical fluid nebulizer (ScFN) combined with the flame furnace-atomic absorption spectrometry (FF-AAS) was applied for improving the determination of inorganic tin in aqueous solutions. Online preconcentration of tin as Sn-PDC complex was carried out in a HPLC-guard cartridge (5mm length, 2mm diameter) filled with C-18 coated monolithic silica having an absorption capacity of 2.5μg of tin. For preconcentration optimized conditions were achieved at 0.015% (m/v) of APDC and pH5 obtaining a preconcentration factor of 17 using 2.5 mL of sample volume. The elution was done by means of subcritical liquid carbon dioxide and methanol with a flow rate of 1.5 L min-1 which was directly introduced as a dry aerosol into the flame furnace where tin complexes are vaporized and atomized. Applying ScFN-FF-AAS the detection and quantification limits for tin in water were 0.008 mg L-1 and 0.024 mg L-1, respectively, increasing the power of detection in 325 times compared to the conventional detection limits obtained by flame atomic absorption spectrometry. The precision at 1 mg L-1 was 1.5% expressed as RSD (N=10). Tin was determined in samples of gunshot residues generated by firing four ammunition brands. The concentrations fluctuated between 52 and 151 μg L-1.
