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Table 1 Physical and chemical characteristics of adsorbates

From: Simultaneous elimination of Malachite Green, Rhodamine B and Cresol Red from aqueous sample with Sistan sand, optimized by Taguchi L16 and Plackett–Burman experiment design methods

Dye Chemical structure Molecular weight (g mol−1) λmax (nm)
Malachite green 364.92 618
Rhodamine B 479.02 554
Cresol red 382.43 425