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Migration von Zinnstabilisatoren aus PVC-Flaschen in Bier

Migration of tin-stabilizers from PVC-bottles into beer

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Summary

The extent of migration of organotin compounds from PVC-bottles into beer was determined. Beer which had been stored at 20° C for 8 weeks in bottles stabilized with 1.13% di-n-octyltin-bis(2-ethyl hexyl thioglycolate) showed to contain 0.0017 mg/l of tin which equals 0.01 mg/l of the used stabilizer. This is far below the limit of 1 mg/l of stabilizer (0.16 mg/l of tin) permitted by the American Food and Drug Administration.

Zusammenfassung

Das Ausmaß der Migration von Organozinnverbindungen aus PVC-Flaschen, die mit 1,13% Di-n-octylzinn-bis(thioglykolsäure-2-äthylhexylester) stabilisiert waren, in Bier wurde untersucht. Nach achtwöchiger Lagerung bei 20°C enthielt das Bier 0,0017 mg/l Zinn (entsprechend 0,01 mg/l des verwendeten Stabilisators) und lag damit weit unter dem von der American Food und Drug Administration gesetzten Limit von 1 mg/l Stabilisator (entsprechend 0,16 mg/l Zinn).

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Literatur

  1. Newman, E. J., Jones, P. D.: Analyst94, 406 (1066).

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  2. Heisz, O., Koch, J.: Unveröffentlicht.

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Koch, J., Figge, K. Migration von Zinnstabilisatoren aus PVC-Flaschen in Bier. Z Lebensm Unters Forch 147, 8–10 (1971). https://doi.org/10.1007/BF01454290

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  • DOI: https://doi.org/10.1007/BF01454290

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