Content and Species of Tin in Food

Kód výsledku v IS VaVaI

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Nalezeny alternativní kódy

RIV/70883521:28610/17:63517548

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Content and Species of Tin in Food

Popis výsledku v původním jazyce

Since the information available on the occurrence of the forms of tin, it appears that many of these organometallic compounds is contained in marine animals and attention was mainly focused on organisms such as marine fish, crustaceans, molluscs and algae [1]. The aim of this work was optimization of the methods of trace and ultra-trace analysis, such as ICP-OES, ETA-AAS for charting the resources of individual forms of tin in foodstuffs. In this work has been tuned method for determination of total tin in food materials by ICP-OES. Increase the sensitivity of the method of ICP-OES was achieved using the techniques of generation of hydrides, which was also optimized [2]. Technique of generation of hydrides reduces the limit of detection, so it can be used for samples with low content of tin. This method has been applied to the analysis of selected samples with low content of tin such as soft drinks Coca Cola, Sprite, Fanta, Gambrinus 10°, PowerKing and milk in the cans. Furthermore samples of animal origin as Sardines in oil, and Hunter&apos;s salami. Prior to the determination of the tin in samples need to be appropriately modified samples for analysis. The decomposition of samples was done in the microwave system. For the separation of inorganic forms has been used low pressure ion exchange chromatography with on-line detection of ICP-OES. As appropriate to a cations exchangers Amberlite IRC 50 and Cellulose CM 23 were showed, where elution reagent was 1 M solution of HCl and on Trisacryl M CM and Sephadex 50 CM, where elution reagent was 0.5 M NaOH solution. The best response was on Sephadex CM 50. The peak was detected during 40 seconds, and was sufficiently narrow and tall. Separation of organically bound tin was performed by HPLC on a column of ACE C-18, 3 µm, 15 cm × 1.0 mm with off-line detection by ETA-AAS. Elution reagent was mixture of acetonitrile – water – glacial acetic acid with 0.05% triethylamine (65: 23: 12) at pH 5. All of the above forms of tin compounds can be separated with this column. Due to the improvement in the detection of organically bounded tin would be suitable HPLC with the same column ACE C-18 join online for example, ICP-MS, or spectrofluorimetry [3].

Název v anglickém jazyce

Content and Species of Tin in Food

Popis výsledku anglicky

Since the information available on the occurrence of the forms of tin, it appears that many of these organometallic compounds is contained in marine animals and attention was mainly focused on organisms such as marine fish, crustaceans, molluscs and algae [1]. The aim of this work was optimization of the methods of trace and ultra-trace analysis, such as ICP-OES, ETA-AAS for charting the resources of individual forms of tin in foodstuffs. In this work has been tuned method for determination of total tin in food materials by ICP-OES. Increase the sensitivity of the method of ICP-OES was achieved using the techniques of generation of hydrides, which was also optimized [2]. Technique of generation of hydrides reduces the limit of detection, so it can be used for samples with low content of tin. This method has been applied to the analysis of selected samples with low content of tin such as soft drinks Coca Cola, Sprite, Fanta, Gambrinus 10°, PowerKing and milk in the cans. Furthermore samples of animal origin as Sardines in oil, and Hunter&apos;s salami. Prior to the determination of the tin in samples need to be appropriately modified samples for analysis. The decomposition of samples was done in the microwave system. For the separation of inorganic forms has been used low pressure ion exchange chromatography with on-line detection of ICP-OES. As appropriate to a cations exchangers Amberlite IRC 50 and Cellulose CM 23 were showed, where elution reagent was 1 M solution of HCl and on Trisacryl M CM and Sephadex 50 CM, where elution reagent was 0.5 M NaOH solution. The best response was on Sephadex CM 50. The peak was detected during 40 seconds, and was sufficiently narrow and tall. Separation of organically bound tin was performed by HPLC on a column of ACE C-18, 3 µm, 15 cm × 1.0 mm with off-line detection by ETA-AAS. Elution reagent was mixture of acetonitrile – water – glacial acetic acid with 0.05% triethylamine (65: 23: 12) at pH 5. All of the above forms of tin compounds can be separated with this column. Due to the improvement in the detection of organically bounded tin would be suitable HPLC with the same column ACE C-18 join online for example, ICP-MS, or spectrofluorimetry [3].

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

21101 - Food and beverages

Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Zborník vedeckých, odborných a diskusných príspevkov zo 7. ročníka konferencie „Tokaj 2017“ s medzinárodnou účasťou

ISBN

978-80-971784-5-1

ISSN

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e-ISSN

neuvedeno

Počet stran výsledku

5

Strana od-do

86-90

Název nakladatele

Regionálna rozvojová agentúra pre rozvoj Dolného Zemplína

Místo vydání

Trebišov

Místo konání akce

Tokaj

Datum konání akce

28. 1. 2017

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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