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6826286 
Journal Article 
Smart solution chemistry: Prolonging the lifetime of ortho-phthalaldehyde disinfection solutions 
Brewer, BN; Mead, KT; Pittman, CU; Lu, KT; Zhu, PC 
2006 
Yes 
Journal of Heterocyclic Chemistry
ISSN: 0022-152X 
43 
2 
361-363 
WOS:000236094600016 
The oxidation of ortho-phthalaldehyde to phthalic acid in aqueous solutions can be remedied by the addition of various cyclic acetals, which, when reacted with phthalic acid, yields ortho-phthalaldehyde, thus prolonging the lifetime of the ortho-phthalaldehyde disinfection solution.