1 94 2 00 1 89 1 95 2 02 1 98 owbph 10 00 10 00 10 33 10 33 10 67 10 67 11 00 11 00colorcielab l 53 0 55 0 52 4 54 7 52 8 55 5 51 0 53 9cielab a 20 6 20 1 20 6 20 2 20 3 20 1 20 8 19 9cielab b 1 1 1 5 1 2 1 2 1 4 1 1 5 1 1__________________________________________________________________________ following the procedure of example 4 however direct blue no 25 dye is used instead of direct green no 26 in this experiment pairs of enzyme desized and caustic scoured testfabrics style 428r 100 cotton fabric patches are treated in 2 hydrogen peroxide baths at various ph stabilized with 0 15 mgcl 2 6h 2 o 0 25 solids basic primacor 5980 dow adhesive polymer ethylene acrylic acid dispersion 0 2 synthrapol non ionic wetting agent and 0 5 sorbitol each pair of patches is divided into a control and a test patch four control patches are treated in the above described bleach bath at individual experiment ph 39 s of 10 1033 10 67 and 11 four test patches are treated in the above described bleach baths which have each been modified by the addition of 0 5 solids basic quat 188 dow chemical company propyl chlorohydrin trimethyl ammonium chloride the 11 5 inch by 6 75 inch patches are kept damp after the scouring step each.