BS 3631 84th Edition, February 29, 1984
Method for determination of ash of paper and board
Includes all amendments and changes through Reaffirmation Notice , September 15, 1994
Additional Comments: W/D S/S BY BS ISO 2144 * SAME AS ISO 2144
Published By:British Standards Institution (BSI)
Specifies a method for determining the ash of paper and board which is suitable for most loading materials and coating pigments.