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Meta Analysis
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AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button.
Tier 1
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Systematic review or meta-analysis. Synthesizes findings across many studies. Strongest evidence.
Environmental Sources
Marine & Wildlife
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Current data does not confirm that deep sea sediments are the final sink for all microplastics: a meta-analysis
Dialnet (Universidad de la Rioja)
2018
Gabriel Erni-Cassola
Summary
This study compared methods for extracting polychlorinated biphenyls (PCBs) from plastic resin pellets, testing Soxhlet extraction, pressurized liquid extraction, and ultrasonication. All methods yielded comparable PCB recoveries, though pressurized liquid extraction offered superior throughput for high-volume monitoring programs.
Study Type
Review