Fig. 3From: Influence of the interaction of calcium carbonate particles with surfactants on the degree of water pollution in small riversUV-Vis spectra of CTMA solutions in the ratio 1:1 and 1:2 with LS, and the addition of CaCO3. 1—CTMA. 2—CTMA + LS (1:1). 3—CTMA + LS (1:1) + CaCO3. 4—CTMA + LS (1:2) + CaCO3 Back to article page