We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Characterizations of high-density polyethylene by terahertz time-domain spectroscopy
Summary
Researchers characterized the optical properties of high-density polyethylene (HDPE) particles using terahertz time-domain spectroscopy and found the method can distinguish different particle sizes and filler contents. The technique can also detect how HDPE adsorbs other substances onto its surface. Terahertz spectroscopy could be developed as a rapid, non-destructive tool for identifying and characterizing HDPE microplastics in environmental samples.
The optical properties of high-density polyethylene (HDPE) in the terahertz band are characterized by terahertz time-domain spectroscopy (THz-TDS). The results show that the THz-TDS can effectively distinguish the particle size of HDPE and filler content of HDPE. And it can also be used to characterize the adsorption characteristics of HDPE. These indicate that it can improve the performance of HDPE, industrial production and even environmental pollution of micro-size of HDPE.
Sign in to start a discussion.
More Papers Like This
Optical parameters extraction of soil and its microplastics contamination using terahertz spectroscopy
Researchers used terahertz spectroscopy to detect and quantify low-density polyethylene microplastics mixed into soil at different concentrations, finding that the technique could distinguish contaminated from clean soil based on changes in refractive index and signal attenuation. Terahertz spectroscopy is non-destructive and rapid, making it a potentially valuable tool for in-field soil microplastic screening without the need for laboratory extraction.
Towards a fast and generalized microplastic quantification method in soil using terahertz spectroscopy
Researchers compared terahertz and near-infrared spectroscopy for quantifying microplastics in soil, finding that terahertz spectroscopy offered a faster and more accurate approach than NIR for distinguishing household microplastics from standard reference polymers in soil matrices.
Study on Rapid Quantitative Detection of Soil MPs Based on Terahertz Time-Domain Spectroscopy
Researchers developed a rapid method for detecting and quantifying microplastics in soil using terahertz time-domain spectroscopy combined with machine learning algorithms. The classification models achieved high accuracy in identifying different types of microplastics including polyethylene, polystyrene, and polypropylene. The study suggests that terahertz spectroscopy could provide a faster and more efficient alternative to current methods for monitoring microplastic contamination in agricultural soils.
Identification and characterization of various plastics using THz-spectroscopy
Researchers used terahertz spectroscopy, which has reached spatial resolutions of a few micrometres and interacts with molecular vibrations without ionizing samples or damaging DNA, to identify and characterize various plastic types, demonstrating the technique's potential for building materials databases and biological imaging applications.
Detection of Microplastic in Salts Using Terahertz Time-Domain Spectroscopy
Researchers demonstrated that terahertz spectroscopy can detect microplastics embedded in table salt at different concentrations. This technology could offer a new non-destructive method for screening food products for microplastic contamination.