with a thin but thorough coating of 34 composite soil 34 and then baked at 246 u00b0 c 475 u00b0 f for 1 5 hours smooth and even baked soil surfaces were used for subsequent testing a section broken from a baked soiled slide was placed in a 50 ml beaker with the baked soiled side up five grams of the cleaning composition under test was placed on the baked soiled surface the beaker was placed in a 90 u00b0 c 193 u00b0 f oven and checked every 30 minutes for percentage of soil removal when 100 of the soil was removed or the cleaning composition had evaporated the test was terminated the results are given in table 3 below table 3______________________________________ soil removalexample base solvent 1 hr 1 5 hr ______________________________________1 mea bee 75 100a mea bee 100 b dow oven cleaner 0 100______________________________________ consumer product on market in these examples various amine bases were tested as 10 wt mixtures in an aqueous solution containing 10 wt bee in examples 2 7 co 2 was added by adding dry ice to each cleaning composition until the ph was reduced into the range of 7 to 8 the identities of the amines tested and the results obtained expressed in terms of percent of soil removed are given in table 4 below the preparation and testing procedures given in examples 1 a and b were used table 4__________________________________________________________________________percent soil removal various aminesexample2 3 4 5 6 7 c d e f g hbase nba dba tpa mea dea tea nba dba tpa mea dea tea__________________________________________________________________________30 min 0 0 0 0 0 0 100 20 0 50 0 01 hr 0.