New method for analyzing microplastics in soil
Microplastic pollution has caused attention worldwide. One of the challenges when studying this type of pollution in soil and sediments, is to separate the microplastic particles from the remainder of the sample. A new study recently published online in the peer-reviewed journal Science of the Total Environment presents a possible solution.
The first author of the study is Chengtao Li from College of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, and chemistry professor and CBA leader group member Rolf D. Vogt is one of the co-authors.
The authors have created a method for analyzing soil samples for microplastic pollution that can be executed at any lab, and without the need for advanced instruments. It uses commonly available devices for extraction of non-degradable and biodegradable microplastics from soil samples in a NaBr solution based on density flotation. The device has a combined circulation and recovery system for the salt solution, which increases its environmental-friendliness.
The paper can be read here.