Calorific Value Of Air Dried Wood

air dried (ad): includes inherent moisture (im) only dry basis (db): excludes all moisture dry ash free (daf): excludes all moisture & ash the proximate analysis of any coal i.E.The % content of moisture, ash (a), volatile matter (vm), fixed carbon (fc) also sulphur (s)and calorific value (cv) can be expressed on any of the above bases.