:Talk:Congo red
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History
Henry Armstrong stated that he believed that Congo Red was first made by Peter Griess, who had discussed it with Heinrich Caro and Martius of BASF. See: "Chemical Industry and Carl Duisberg.", Henry Armstrong, Nature, 1935, 135(3425), 1021–1025. doi:10.1038/1351021a0
Contradictory
First section says use is abandoned, then later it documents that it's still used in histology. 146.191.95.1 (talk) 15:30, 14 October 2022 (UTC)