Experiment
Near-infrared reflectance spectra at low temperature (110-290K) of delta, gamma and beta Diammonium hydrogen phosphate [(NH4)2HPO4] powders with three grain size ranges (32-80, 80-125 and 125-150µm)
Sub-Experiment
32-80 µm grain sizes
Sub-Experiment
Phase delta: 110-160K
Spectrum
Near-infrared reflectance spectra at 110K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 120K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 130K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 140K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 150K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 160K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 32-80µm grain size
Sub-Experiment
Phase delta-gamma transition: 170-173K
Spectrum
Near-infrared reflectance spectra at 170K of the transition between Diammonium hydrogen phosphate-beta and gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 171K of the transition between Diammonium hydrogen phosphate-beta and gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 172K of the transition between Diammonium hydrogen phosphate-beta and gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 173K of the transition between Diammonium hydrogen phosphate-beta and gamma [(NH4)2HPO4] powder with 32-80µm grain size
Sub-Experiment
Phase gamma: 174-245K
Spectrum
Near-infrared reflectance spectra at 174K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 175K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 176K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 177K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 180K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 190K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 200K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 210K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 220K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 230K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 243K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 244K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 245K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 32-80µm grain size
Sub-Experiment
Phase beta 246-290K
Spectrum
Near-infrared reflectance spectra at 246K of Diammonium hydrogen phosphate-delta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 247K of Diammonium hydrogen phosphate-delta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 248K of Diammonium hydrogen phosphate-delta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 249K of Diammonium hydrogen phosphate-delta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 270K of Diammonium hydrogen phosphate-delta [(NH4)2HPO4] powder with 32-80µm grain size
Spectrum
Near-infrared reflectance spectra at 290K of Diammonium hydrogen phosphate-delta [(NH4)2HPO4] powder with 32-80µm grain size
Sub-Experiment
80-125 µm grain sizes (300K)
Sub-Experiment
Phase delta: 110-160K
Spectrum
Near-infrared reflectance spectra at 110K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 80-125µm grain size
Spectrum
Near-infrared reflectance spectra at 120K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 80-125µm grain size
Spectrum
Near-infrared reflectance spectra at 130K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 80-125µm grain size
Spectrum
Near-infrared reflectance spectra at 140K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 80-125µm grain size
Spectrum
Near-infrared reflectance spectra at 150K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 80-125µm grain size
Spectrum
Near-infrared reflectance spectra at 160K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 80-125µm grain size
Sub-Experiment
Phase gamma: 180-220K
Spectrum
Near-infrared reflectance spectra at 180K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 80-125µm grain size
Spectrum
Near-infrared reflectance spectra at 190K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 80-125µm grain size
Spectrum
Near-infrared reflectance spectra at 200K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 80-125µm grain size
Spectrum
Near-infrared reflectance spectra at 210K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 80-125µm grain size
Spectrum
Near-infrared reflectance spectra at 220K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 80-125µm grain size
Sub-Experiment
125-150 µm grain sizes (300K)
Sub-Experiment
Phase delta: 110-160K
Spectrum
Near-infrared reflectance spectra at 110K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 125-150µm grain size
Spectrum
Near-infrared reflectance spectra at 120K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 125-150µm grain size
Spectrum
Near-infrared reflectance spectra at 130K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 125-150µm grain size
Spectrum
Near-infrared reflectance spectra at 140K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 125-150µm grain size
Spectrum
Near-infrared reflectance spectra at 150K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 125-150µm grain size
Spectrum
Near-infrared reflectance spectra at 160K of Diammonium hydrogen phosphate-beta [(NH4)2HPO4] powder with 125-150µm grain size
Sub-Experiment
Phase gamma: 180-220K
Spectrum
Near-infrared reflectance spectra at 180K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 125-150µm grain size
Spectrum
Near-infrared reflectance spectra at 190K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 125-150µm grain size
Spectrum
Near-infrared reflectance spectra at 200K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 125-150µm grain size
Spectrum
Near-infrared reflectance spectra at 210K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 125-150µm grain size
Spectrum
Near-infrared reflectance spectra at 220K of Diammonium hydrogen phosphate-gamma [(NH4)2HPO4] powder with 125-150µm grain size
Material
- Name
- Ammonium hydrogen phosphate-beta powder 32-80µm
- Family
- solid
- Reference code
- B03/1-beta
- Origin
- commercial
- Relevance
- main - major
- Mass
- 0.614 $\pm$ 0.005 $g$
- Mass fraction
- 1.0
- Abundance comments
- Certified purity > 99% for phase delta. From X-ray powder diffraction analysis, the samples were pure without the presence of minor phases.
- Texture
- compact
- Grain compacity
- 1.0
- Grain density
- 1.62 $g.cm^{-3}$
- Grain sizes
-
Grains Size min Size max Size median Size width Size mass fraction Grain shape #1 32.0 ${\mu}m$ 80.0 ${\mu}m$ 1.0 None - Size method
- sieving initial phase delta between 32 and 80µm mesh sieves