# Paper-based analytical device for colorimetric detection of Cu2+ in Brazilian sugarcane spirits by digital image treatment

> Research article (Microchemical Journal, 2020) · cited 25× · AI/ML

**Wikidata**: [openalex:W3082585165](https://www.wikidata.org/wiki/openalex:W3082585165)  
**Source**: https://4ort.xyz/entity/paper-based-analytical-device-for-colorimetric-detection-of-cu2-in-brazilian-sugarcane-spirits-by-digital-image-treatmen