Weiyel Launches New Microplastic Quality Control Samples

Weiyel is dedicated to R&D in the field of microplastics—an emerging class of pollutants—and has developed four types of microplastic (polyethylene) certified reference materials.

Microplastics possess the dual characteristics of "environmental particulates" and "high-molecular-weight polymers." Their analysis requires meeting three core technical criteria: material identification, quantitative concentration analysis, and particle size distribution characterization; a single analytical method is often insufficient to cover all these dimensions. This project employs a triple-verification approach—covering concentration (via Py-GC/MS), particle size (via laser diffraction), and morphology/material composition (via SEM combined with micro-Raman/IR spectroscopy)—to ensure precise values ​​and clearly defined properties for the quality control samples.

These newly developed microplastic products are designed for storage in sealed containers at room temperature, protected from light. Suitable for microplastic analysis in surface water, seawater, and soil matrices, they meet requirements for method validation, instrument calibration, and internal laboratory quality control. They align with both current and upcoming national and local standards for microplastic monitoring, effectively filling the domestic supply gap and providing reliable quality control support for environmental monitoring of emerging pollutants.