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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Environmental Sources Remediation Sign in to save

Referee 2

2020

Summary

This is a peer review for a paper on ultrasonication effects on recovery rates and size distributions of soil organic matter fractions and microplastics, providing technical feedback on the study methodology.

This paper reports a study on recovery rate and change in size distribution of soil oPOM, pyrochar, and microplastics under a series of ultrasonication treatments.It is shown that while ultrasonication is widely used in soil particle fractionation, it may cause artifact and false estimation of POM stability even with low power.For microplastics, both recovery rate and size distribution are not significantly changed by ultrasonication treatment.The results are valuable for both soil aggregate-related researches and microplastics studies.However, the study needs some essential data to support its conclusion and explanation of the results.

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