Improvement of the diphenylamine-based spectrophotometric method for nitrate determination
β Scribed by Aoun, Omar; Benamara, Salem; Aberkane, Lynda; Amrani, Nassima; Dahmoune, Farid; Madani, Khodir
- Book ID
- 121243002
- Publisher
- The Royal Society of Chemistry
- Year
- 2013
- Tongue
- English
- Weight
- 557 KB
- Volume
- 5
- Category
- Article
- ISSN
- 1759-9660
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π SIMILAR VOLUMES
The addltlon of an excess of NH: has been found totally to suppress the competmg chlormatlon reactlons that ha{e caused problems in all prewously pubhshed applications of the chloramme-T-Phenol Red method for trace bromide analysis As a result of this, the dynamic range of the method has been extend
A direct, spectrophotometric method has been adapted for quantitative determination of nitrate concentrations in seawater. The method is based on nitration of resorcinol in acidified seawater, resulting in a color product. The absorption spectrum obtained for the reaction product shows a maximum abs