Yu Ying-chao
2011
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Journal
Dyestuffs and coloration
Abstract
A new synthesis method of 2,5-diaminobenzenesulfonic acid was introduced.2,5-diaminobenzenesulfonic acid was prepared by sulfonation of p-phenylenediamine with 20% oleum.Compared this process with the traditional method,the cost of product was decreased.It was a better process of industrialization.And the detailed applications of the product in dyestuff industry were introduced.