in color depending on the particle size and level of carbon in the paper the truly novel findings in this work are the improvements in sidestream smoke reduction ash and subjective taste properties of cigarettes wrapped in papers containing a mixture of magnesium hydroxide activated carbon and calcium carbonate over the same papers with only magnesium hydroxide and calcium carbonate or activated carbon and calcium carbonate fillers ______________________________________parameters of the invention______________________________________carbon content 2 0 to 40 preferred 5 0 to 25 magnesium hydroxide content 2 0 to 35 preferred 5 0 to 20 calcium carbonate content 5 0 to 40 preferred 10 to 30 basis weight 25 gm m sup 2 to 100 gm m sup 2preferred 35 gm m sup 2 to 65 gm m sup 2porosity 1 to 25 corestapreferred 5 to 12 corestaburning chemical alkali metal salts of organic or inorganic acids selected from the group consisting of citric malic lactic glycolic tartaric fumaric maleic malonic glutaric adipic acetic succinic hydrochloric and phosphoric burning chemical addition rate 0 5 to 6 0 acid addition rate 1 0 to 10 acid compatible with the alkali metal salt burning chemical sugar addition rate 1 0 to 10 mono di tri or poly saccharides flavorant adsorbed onto the carbon smoking articles cigarettes cigars and the like ______________________________________ the size of the particles of the incorporated activated carbon is significant in that the smaller the particles the darker the finished paper sheet and if the particles are too large they cause 34 sparking 34 which would not be tolerable in a commercial smoking article the preferred particle size by astm method e 11 measured on an air jet sieve would be 98 through 325.