A simple method for quantifying microplastics in water utilizing hydrophobic dyes via ultraviolet-visible spectrophotometry

Key Points

• This research aims to develop a method for the quantitative detection of microplastics in water using hydrophobic dyes.
• Developed a staining process for microplastics using hydrophobic dyes.
• Employed ultraviolet-visible spectrophotometry for quantification.
• Assessed linearity and anti-interference capabilities of the method.
• Demonstrated a good linear relationship for microplastics detection.
• Exhibited solid anti-interference capability during quantification.