This Pakistan Standard specifies a mc〓hcd for the deter mination of ash in pulp. The ash content of pulp gives an estimation of its content of mineral salts and other inorganic matter, but is not quantitatively equal to it.
The method applies to all kinds of pulp.
PS 1392-1977 history
1977PS 1392-1977 METHOD FOR PULP-DETERMINATION OF ASH