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Saturday, February 16, 2019
Friday, February 15, 2019
Thursday, February 14, 2019
Wednesday, February 13, 2019
Tuesday, February 12, 2019
"Novel Azo Pigment"
Yellow and turns brown with contact with kaolin clay. This is suggestive of color change with PH changes ; a possible PH indicator as well as paint dye.
It is derived from vanillin (vanilla bean flavor component).
It is derived from vanillin (vanilla bean flavor component).
Monday, February 11, 2019
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