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Heavy Metal Index

Cadmium colorimetric sensor using silica sol in water

A silica sol-based colorimetric sensor for Cd2+ detection in water was developed.

Overview

A silica sol-based colorimetric sensor for Cd2+ detection in water was developed. The paper reports method development and characterisation; no food matrix samples are reported. Detection is for total Cd2+ in aqueous solution.

Key numbers

  • LOD, linear range, and selectivity data in full paper.

Methods (brief)

Silica sol colorimetric detection of Cd2+. Water matrix only. Total Cd measurement.

Implications

Certification: Method development only; no food data. Courses: Demonstrates silica sol-based colorimetric sensing platforms.

Update history

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