weave fabric broad cloth consisting of cotton yarn having a yarn count number of 40 was impregnated with 90 based on the weight of the fabric of the bleaching solution and was heated with steam at a temperature of 95 u00b0 c for 30 minutes in a bleaching machine also the cotton seed removing effect of the bleaching solution on the cotton fabric was evaluated by naked eye observation into the following classes bad a large number of seeds found in the bleached fabric the results of the test and observation are shown in table 2 table 2 clearly shows that the bleaching liquids of examples 5 to 8 exhibited a satisfactory bleaching and cotton seed removing effect table 2__________________________________________________________________________ example no comparative example exampleitem 6 7 8 9 5 6 7 8__________________________________________________________________________stabilizersodium silicate grade no 2 7 g l neolate ph 150 sub 2 g l 7 phas g l 0 7 1 5 0 7 0 7 0 7 1 01 hydroxyethylidene 1 1 0 7 diphosphonic acid g l aminotri methylenephosphonic 0 7 acid g l ethylenediamine tetra 0 7 0 5 methylenephosphonic acid g l propertywhiteness 84 0 84 2 84 5 85 8 86 0 86 1 85 9 86 3cotton seed removing effect good good bad slightly good good good good bad__________________________________________________________________________ note sub 3 neolate ph150 trademark of a low silicate type stabilizer mad by nikka chemical industry co in each of the above numbered examples the same procedures as those described in example 1 were carried out except that the stabilizer had the composition and amount as shown in table 3 the organic phosphonic acid compounds and poly u03b1 hydroxyacrylic acid compounds were in the form of potassium or ammonium salts the bleaching results for.