Pearl ash
Revision as of 06:11, 24 July 2013 by (username removed)
Description
A crude form of potassium carbonate. Pearl ash is purified from wood ash by leaching a wood ash solution with water then drying the extract to obtain the potassium carbonate crystals. Pearl ash was used as a mordant and as a wash for leather bindings prior to marbling.
Synonyms and Related Terms
potassium carbonate; pearl-ash
Composition | K2CO3 |
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