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Identification of Ɛ...
Abstract
Ämnesord
Stäng
- A double-injection micellar electrokinetic chromatography (DIMEKC) method for the identification of Ɛ- caprolactam andmelamine deliberately added to povidone (polyvinylpyrrolidone) products has been developed. The separations were performedin 89 mM phosphate buffer (pH 7.4) containing 52 mM sodium dodecyl sulfate (SDS) in fused silica capillaries with UV absorptiondetection at 200 nm. The identification relied on the agreement between the calculated migration time (t mig(c) ) of the analytes andthe migration time (t mig ) of their corresponding reference standards being analysed simultaneously within a double injection run.The migration time of the analytes was calculated from the partial migration times (t mig(p) ) as described in this paper. The migrationtime ratios (t mig(c) / t mig ) varied
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmaceutiska vetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmaceutical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- Analytical Pharmaceutical Chemistry
- Analytisk farmaceutisk kemi
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