Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 90K (down) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 100K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 110K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 120K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 130K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 140K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 150K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 160K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 180K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 200K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 220K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 230K (up) with 32-80 µm grain sizes

Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 239K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 240K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 241K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of delta-Ammonium chloride (phase IV) powder at 242K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of Salammoniac (beta-Ammonium chloride, II) powder at 243K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of Salammoniac (beta-Ammonium chloride, II) powder at 244K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of Salammoniac (beta-Ammonium chloride, II) powder at 245K (up) with 32-80 µm grain sizes Spectrum Near-infrared reflectance spectra of Salammoniac (beta-Ammonium chloride, II) powder at 270K (up) with 32-80 µm grain sizes