The instrument came with a few standard reference materials, shown here.
![Image: standards](https://muse.union.edu/hollochk/files/2021/08/standards-1024x550.jpg)
- Sintered silicon powder.
- α-alumina powder.
- Oriented silicon wafer. This assembly replaces the whole standard stage top piece.
![Image: saxs_standard](https://muse.union.edu/hollochk/files/2021/08/saxs_standard.jpg)
SAXS small-angle scattering standard. It looks like some kind of plastic, but other than that I don’t know what it is.