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4. British Pharmacopoeia 1988, Cambridge University Press, Cambridge, United Kingdom, vol. II, p. 882.
5. Potentiometrische Bestimmung der Gleichgewichtskonzentrationen an freiem und komplex gebundenem Iod in wÄ\rigen Lösungen von Polyvinylpyrrolidon-Iod (PVP-Iod)