fig4
![Do's and don'ts of microplastic research: a comprehensive guide](https://image.oaes.cc/cb9fdee4-841a-4a3f-b4b8-36d68c0a0887/wecn2061.fig.4.jpg)
Figure 4. Sediment sample (A) before and (B) after biogenic organic matter removal using 10 mL of 30% hydrogen peroxide and 10 mL of 0.05 M of iron catalyst for 15 min.
Figure 4. Sediment sample (A) before and (B) after biogenic organic matter removal using 10 mL of 30% hydrogen peroxide and 10 mL of 0.05 M of iron catalyst for 15 min.
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