RP-HPLC ANALYSIS OF THE COMPOUNDS IN THE SYNTHESIS MIXTURES OF 2,2-DIMETHYL-3-HYDROXYPROPIONALDEHYDE BY TWO METHODS COMBINED TO ONE INSTRUMENT BY A COLUMN SWITCHING TECHNIQUE

Two RP-HPLC methods are described for the determination of the compounds in 2,2-dimethyl-3-propionaldehyde synthesis mixtures. All the other compounds, except aliphatic aldehydes, are determined by a gradient programmed method using UV/DAD and RI detectors in series. Aldehydes are determined as thei...

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Bibliographic Details
Published in:Journal of liquid chromatography & related technologies 2000-09, Vol.23 (16), p.2447-2458
Main Authors: Koivusalmi, E., Haatainen, E., Nikkilä, K.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Exact sciences and technology
Other chromatographic methods
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Summary:Two RP-HPLC methods are described for the determination of the compounds in 2,2-dimethyl-3-propionaldehyde synthesis mixtures. All the other compounds, except aliphatic aldehydes, are determined by a gradient programmed method using UV/DAD and RI detectors in series. Aldehydes are determined as their 2,4-dinitrophenylhydrazone derivatives using a UV/DAD detector. The selection between different columns and detectors is made with a column switching technique. The eluents and column temperature are selected so, that only one HPLC instrument is needed.
ISSN:1082-6076
1520-572X
DOI:10.1081/JLC-100100500