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Aminobenzoic Acid

The Experts below are selected from a list of 207 Experts worldwide ranked by ideXlab platform

Luminita Vladescu – 1st expert on this subject based on the ideXlab platform

  • Determination of para-Aminobenzoic Acid, a degradation product of procaine hydrochloride, by zero-crossing first-derivative spectrometry
    Analytical and Bioanalytical Chemistry, 2002
    Co-Authors: Irinel Badea, Dana Moja, Luminita Vladescu

    Abstract:

    A first derivative spectrometric method has been developed for the determination of the para –Aminobenzoic Acid (PABA), a related substance and degradation product of the local anesthetic procaine hydrochloride (PH). The wavelength selected for the determination of para –Aminobenzoic Acid in the presence of procaine was 290 nm. At this wavelength the calibration graphs relating the amplitude of the signals to the concentration of para –Aminobenzoic Acid were linear up to 10 mg L^–1. The detection limit of para –Aminobenzoic Acid was 0.70 mg L^–1. The method is simple and rapid and does not require preliminary treatment of the sample. The method was validated.

Ake C Rasmuson – 2nd expert on this subject based on the ideXlab platform

  • thermodynamics and nucleation kinetics of m Aminobenzoic Acid polymorphs
    Crystal Growth & Design, 2010
    Co-Authors: Michael Svard, Fredrik L Nordstrom, Tanja Jasnobulka, Ake C Rasmuson

    Abstract:

    The polymorphism of m-Aminobenzoic Acid has been investigated. Two polymorphs have been identified and characterized by X-ray powder diffraction (XRPD), Fourier transform IR (FTIR), microscopy, and …

  • polymorphism and crystallization of p Aminobenzoic Acid
    Crystal Growth & Design, 2004
    Co-Authors: Sandra Gracin, Ake C Rasmuson

    Abstract:

    p-Aminobenzoic Acid (PABA) crystallizes in two different polymorphic forms: the alpha-polymorph, which is the commercially available form and appears as long, fibrous needles, and the beta-polymorp …

Irinel Badea – 3rd expert on this subject based on the ideXlab platform

  • Determination of para-Aminobenzoic Acid, a degradation product of procaine hydrochloride, by zero-crossing first-derivative spectrometry
    Analytical and Bioanalytical Chemistry, 2002
    Co-Authors: Irinel Badea, Dana Moja, Luminita Vladescu

    Abstract:

    A first derivative spectrometric method has been developed for the determination of the para –Aminobenzoic Acid (PABA), a related substance and degradation product of the local anesthetic procaine hydrochloride (PH). The wavelength selected for the determination of para –Aminobenzoic Acid in the presence of procaine was 290 nm. At this wavelength the calibration graphs relating the amplitude of the signals to the concentration of para –Aminobenzoic Acid were linear up to 10 mg L^–1. The detection limit of para –Aminobenzoic Acid was 0.70 mg L^–1. The method is simple and rapid and does not require preliminary treatment of the sample. The method was validated.