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Referee 2
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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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This is a peer review for a paper on ultrasonication effects on soil organic matter particles and microplastics during fractionation procedures, questioning the methodological approach and calling for more rigorous justification.
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