131 99 25 0 150 0 600 0 00 38 332 98 80 0 150 1 050 0 00 51 633 97 90 1 500 0 100 0 50 43 034 98 13 0 825 0 800 0 25 8 5______________________________________ the less available oxygen loss avox indicates stable ooh anion formation and a resistance to oh radical decomposition of the h 2 o 2 when zero avox loss is seen the effect of the stabilizer chemistry is clearly evident test runs were made with a conventional bleaching range under the conditions described below for various dwell times and temperatures articles are introduced into the first section of the bleaching range as follows the water in the range is preheated to 200 f and the first section is filled with 10 gallons of the above bleaching concentrate per 100 gallons water the liquor ratio is maintained at approximately 10 1 10 parts water to 1 part fabric enough sections of the bleach range are used to allow the fabric a dwell time of 8 minutes the treated goods were soft absorbent silicate free and had excellent whiteness values on a hunter scale of greater than about 85 table 3 compares the whiteness of the goods measured according to the hunter whiteness scale the caustic soda 50 and other additives and the temperature is the same as table 2 table 3______________________________________whiteness values for various additions ofmgac phosphonic and dipicolinic acids h sub 2 o sub 2 50 mgac 30 phosph 60 dipi whitenessex hunter______________________________________35 98 10 0 150 1 500 0 25 86 836 97 00 1 500 1 000.