Cadmium removal from aqueous solution by green synthesis iron oxide nanoparticles with tangerine peel extract.

J Environ Health Sci Eng · 2015 · PMC4682273 · PMID 26682059

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a decreasing trendno p-value reported

This study showed that changing of pH from 2 to 4, the removal efficiency increases but it has a decreasing trend.

also in 47,180 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.