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2729778 
Technical Report 
Potentiometric analysis with a silver electrode in stability control of quaternary ammonium salt disinfectant solutions during storage in plastic and glass containers 
Pinzauti, S; La Porta, E 
1979 
IPA/80/373043 
Pharm 
REF 7 
123-124 
English 
IPA COPYRIGHT: ASHP The possible loss of cationic surfactants in 6 commercial brands and formulations of quaternary ammonium compound disinfectant solutions in plastic and glass bottles was evaluated by 6 months' storage tests at 37DGC and 12 months at room temperature (15-25DGC). Results show that the solutions exhibited no cationic surfactant loss over 6 months at 37DGC or 12 months at room temperature. There was no significant difference between the solutions in plastic and those in glass containers.