Answers are grounded in this paper and cite their sources.
The Red carrying the news around the world: Most newspapers and journals worldwide (including Angewandte Chemie) are printed with Pigment Red 57:1. The crystal structures of this pigment in various hydration states have now been determined by X-ray powder diffraction.
No takes yet. Share an insight, caveat, or question.
Bekö et al. (2012) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: