Fig. 4From: Sustainable processes for pre-treatment of cotton fabricSamples dyed using Yellow HE6G. First sample is a standard ready for dyeing (RFD) fabric dyed with Yellow HE6G; second, third and fourth dyed ones are grey fabrics desized using scouring to bleaching wastewater in 50:50, 70:30 and 30:70 ratios, respectivelyBack to article page