# Portable smartphone-based colorimetric system for simultaneous on-site microfluidic paper-based determination and mapping of phosphate, nitrite and silicate in coastal waters

> Research article (Environmental Monitoring and Assessment, 2022) · cited 34× · AI/ML

**Wikidata**: [openalex:W4213122997](https://www.wikidata.org/wiki/openalex:W4213122997)  
**Source**: https://4ort.xyz/entity/portable-smartphone-based-colorimetric-system-for-simultaneous-on-site-microfluidic-paper-based-determination-and-mappin