# Document ink dye age estimation by direct injection-mass spectrometry and correlation analysis

> Research article (Microchemical Journal, 2019) · cited 14× · AI/ML

**Wikidata**: [openalex:W2938651957](https://www.wikidata.org/wiki/openalex:W2938651957)  
**Source**: https://4ort.xyz/entity/document-ink-dye-age-estimation-by-direct-injection-mass-spectrometry-and-correlation-analysis