Matter
- Name
- Amorphous silica sub-µm grains
- Family
- mineral
- Database
- Experimentalists
- Level
- local matter
- Origins
- commercial
- Provider
- Pierre Beck, Institut de Planétologie et d’Astrophysique de Grenoble (IPAG), OSUG-D, 414, Rue de la Piscine, 38400 St-Martin d’Hères, France
- Preparation
- sieved fraction
- Phase type
- solid
- Component type (group)
- mineral (silicate mineral)
- Texture
- loose granular
- Type of porosity
- particulate
- Grain sizes
-
Grains Size min Size max Size median Size width Size mass fraction Grain shape #1 0.18 ${\mu}m$ 1.0 None - Size distribution
- The average grain size is 0.32 µm, and the standard deviation 0.35 µm. The size distribution of the counted grains is provided in the documentation section below.
- Size method
- Grains sizes were measured on images obtained by Scanning Electron Microscopy (SEM).
- Title
- Grinding and sieving
- Matters
- Matter
- Amorphous silica sub-µm grains (this matter)
- Processing steps
-
Step Date Type Process Changes #1 mechanical Wet Grinding: the 25-50 µm powder was put into the grinding bowl of a planetary grinder with 500-µm diameter ZrO2 balls in ultra-pure ethanol for 150 minutes #2 mechanical Wet Sieving: the grinded material was passed through a 25-µm sieve using ethanol
Precursors
Produced matter
- Documentations
- Publications