Analysis of variance for the effect of heavy metal concentration on QZ-7 adsorption efficiency.
| Sum of squares | df | Mean square | F | Sig. | |
|---|---|---|---|---|---|
| Between groups | 563.465 | 5 | 112.693 | 26.520 | 0.000 |
| Within groups | 50.991 | 12 | 4.249 | ||
| Total | 614.457 | 17 |
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