Natural deep eutectic solvent–based magnetic nanofluid microextraction for sensitive determination of cadmium in tap water and tea leaves by GFAAS

Key Points

• Cadmium detection achieved at sensitive levels using GFAAS.
• Microextraction techniques effectively reduced sample size, enhancing sensitivity.
• Natural deep eutectic solvent utilized for improved extraction efficiency.
• Highlights the importance of monitoring heavy metals in consumables.