Abstract

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EFFECT OF THE SEQUESTERING AGENTS ON THE LIGHT FASTNESS OF THE REACTIVE DYES

Wazeer Hussain Solangi, Arshad Hussain Memon, Mohammad Qamar Khan,Asghar Ali Channa


One of the characteristic of sequestering agent is to reduce the hardness of water in order to make it fit for the use of in textile processing. Some of the sequestering agents have slightly adverse effect on the light fastness of reactive dyes; keeping in view this statement it is recommended that E.D.T.A and Sodium Hexa Meta phosphate may be widely used where there is non-availability of soft water which gives excellent results in pre-treatment and dyeing. Using the E.D.T.A and Sodium hexa Meta phosphate with different concentration with Reactive dyes (i.e. Cibacron), the effect on light fastness has been observed which is recorded through research work by plotting the graphs and making tables