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

Table 1 Physical and chemical characteristics of adsorbates

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

ISSN: 2661-801X