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. 2021 Aug 6;11:16054. doi: 10.1038/s41598-021-95649-5

Table 4.

Response table for signal to noise ratios for MG and AO.

Level Adsorbent dosage (mg) AO concentration
(mg L−1)
MG concentration (mg L−1) Ionic strength (w/v%) pH of the solution Temperature (°C) Sonication time (min)
1 36.26 38.69 38.55 38.25 36.33 37.11 36.87
2 38.19 37.47 37.77 37.79 38.23 37.94 38.13
3 38.74 37.03 36.87 37.16 38.63 38.14 38.19
Delta 2.48 1.65 1.67 1.09 2.30 1.03 1.32
Rank 1 4 3 6 2 7 5