Spectrum raw MIR absorbance spectrum of pressed QUE99177 matrix grain N°1, under vacuum at 22°C Spectrum raw MIR absorbance spectrum of pressed QUE99177 matrix grain N°2, under vacuum at 22°C Spectrum raw MIR absorbance spectrum of pressed QUE99177 matrix grain N°3, under vacuum at 22°C Spectrum raw MIR absorbance spectrum of pressed QUE99177 matrix grain N°4, under vacuum at 22°C Spectrum raw MIR absorbance spectrum of pressed QUE99177 matrix grain N°5, under vacuum at 22°C Spectrum raw MIR absorbance spectrum of pressed QUE99177 matrix grain N°6, under vacuum at 22°C Spectrum raw MIR absorbance spectrum of pressed QUE99177 matrix grain N°7, under vacuum at 22°C Spectrum raw MIR absorbance spectrum of pressed QUE99177 matrix grain N°8, under vacuum at 22°C Spectrum raw MIR absorbance spectrum of pressed QUE99177 matrix grain N°9, under vacuum at 22°C