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Identification of organic compounds : LXX. Detection and determination of the number of hydroxy groups in disperse azo dyes by means of acetylation and ΔRMr values by J. Gasparič; I. Gemzova is a Chemistry article available to read on EtoBox.
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## Acetylation of hydrosyazo dyes was shown to result in characteristic changes in the chromatographic behaviour of the compounds considered. These changes can be expressed quantitatively by means of AR&, r values which are obtainable with satisfactory reproducibility, indicating not only the presence of a hydroxy group but also the number of them and their type. The whole procedure is quite simple and realisable in any laboratory. It can be used satisfactorily for structure elucidation of azo dyes.
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- Author
- J. Gasparič; I. Gemzova
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 1873-3778)
- Published
- 1968
- Language
- EN
- Field
- Chemistry (Physical Sciences)