Brilliant green dye adsorption from aquatic medium using an activated carbon/graphene/polyacryl amide composite as a novel effective adsorbent: experimental investigation and factorial design optimization.

RSC Adv · 2026 · PMC12856731 · PMID 41624946

Europe PMC DOI

hedged sentences

0.0170

closest p · 0.3× alpha

0.0170

boldest claim

The sentences

highly significantp = 0.017actually significant

The squared terms were highly significant ( p = 0.017), highlighting the importance of curvature in the model, with all four squared terms (pH, dosage, time, concentration) demonstrating strong effects ( p < 0.05), indicating non-linear relationships.

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did not achieve significanceno p-value reported

Other interaction terms did not achieve significance.

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marginally non-significantno p-value reported

The overall model yielded a p -value of 0.062, which is marginally non-significant, suggesting a moderate fit for the data.

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