Going by what wikipedia says, wood ash can have carbon. If I understand correctly, how much depends largely on how hot it burned. https://en.wikipedia.org/wik

Going by what wikipedia says, wood ash can have carbon. If I understand correctly, how much depends largely on how hot it burned. https://en.wikipedia.org/wiki/Wood_ash#Elemental_analysis https://en.wikipedia.org/wiki/Wood_ash#Elemental_analysis