# Semiquantitative Visual Detection of Lead Ions with a Smartphone via a Colorimetric Paper-Based Analytical Device

> Research article (Analytical Chemistry, 2019) · cited 401× · AI/ML

**Wikidata**: [openalex:W2950328878](https://www.wikidata.org/wiki/openalex:W2950328878)  
**Source**: https://4ort.xyz/entity/semiquantitative-visual-detection-of-lead-ions-with-a-smartphone-via-a-colorimetric-paper-based-analytical-device