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6027324 
Journal Article 
Determination of sulphite in fixers and photographic effluents by ion chromatography 
Dixon, LM; Mccormick, MJ 
1985 
Yes 
Journal of Chromatography A
ISSN: 0021-9673
EISSN: 1873-3778 
322 
478-483 
The stabilization of sulphite by formaldehyde was demonstrated by comparing the ion chromatograms with and without the addition of formaldehyde. Formaldehyde had to be added to the eluent to achieve complete stabilization. A method was developed for the determination of sulphite in the presence of large excess of sulphate and/or thiosulphate in fixers and photographic effluents at concentrations normally found (approximately 8 mg per litre) with a relative standard deviation of 3.7 per cent. 
Aqualine Abstracts