History: Silicon Powder Line Position Standard
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r193864 · current
- Created Silicon Powder Line Position Standard (part): "Calibrates the diffractometer's 2-theta scale, run alone or mixed into a sample, so the lattice parameters of a new phase can be trusted. Certified lattice parameter with a stated uncertainty, for SRM 640g a = 0.5431144 nm at 22.5 °C with an expanded uncertainty of 0.000008 nm."