Under CopyrightQuero-Lopez, V.V.Quero-LopezWeiser, V.V.WeiserHidalgo, F.F.HidalgoPlitzko, Y.Y.Plitzko2022-03-0926.9.20132003https://publica.fraunhofer.de/handle/publica/34300610.24406/publica-fhg-343006A spectroscopic method was introduced to investigate the decomposition of hydrogen peroxide in nitromethane closely below the burning surface of gelled and liquid model propellants using a fast NIR-spectrometer. The method response on a wavelength shift of absorption bands related to the H2O2 concentration.en660Nir-spectroscopic in-situ measurements on the decomposition of burning liquids and gels with H2-O2-nitromethaneconference paper