AGENT FOR DISSOLVING INSOLUBLE IRON(III) COMPOUNDS IN HIGHLY ALKALINE TEXTILE TREATMENT LIQUORS

摘要

ABSTRACT OF THE DISCLOSUREAn agent, based on reducingagents and complexing agents, for dissolving insolubleiron(III) compounds in aqueous textile treatment bathswhich are at a pH of 10 or more, which agent has thefollowing composition:a) from 4 to 65% by weight of one or more water-soluble hydroxycarbonyl compound or of an N- or O-acetalthereof, as the reducing agent,b) from 10 to 80% by weight of one or more complexingagent which complexes Fe++ ions at a pH of 10 or moreandc) water in an amount equal to 100% minus the amountsof a) and b).