Abstract
A new method for N,N′-ethylenebisstearamide analysis was developed and validated in NP-LC with evaporative light scattering detection for EBS content in drug delivery device. Chromatographic conditions were silica column 250 × 3 mm at 45 °C with 94:6 CHCl3/ethanol at 0.5 mL min−1. The retention time of N,N′-ethylenebisstearamide was 4.35 min. The method was fully validated by applying a novel strategy using accuracy profiles. The EBS content in the progesterone device was established after administration in animal which proved that such additives did not migrate into the animal.
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Kauss, T., Gaudin, K., Mechraoui, A. et al. N,N′-Ethylenebisstearamide Additive in Intravaginal Drug Delivery Device Determined by NP-LC with ELSD. Chroma 70, 1065–1071 (2009). https://doi.org/10.1365/s10337-009-1275-9
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DOI: https://doi.org/10.1365/s10337-009-1275-9