1. charcoal, wood ashes, it means the mass calculated burning of wood substance in the last step. 2. as the potential values at alkaline means of hydrogen ion more than 7. 3. the hydrogen potential pH value means of ion.
1. Charcoal ashes mean mass of burning wood in the final second. An alkaline state means that the potential of hydrogen ion with more than 7 3. The pH means potential of hydrogen ion.
1. Charcoal ash refers to the mass from burning wood in the final stage 2. Alkalinity, mean value condition potential of hydrogen. Ion has more than 7 3. The pH mean potential of hydrogen ion .