# Classification of fiber tip pens using attenuated total reflectance (ATR) – Fourier transform infrared (FTIR) spectroscopy in tandem with chemometrics

> Research article (Vibrational Spectroscopy, 2020) · cited 14× · AI/ML

**Wikidata**: [openalex:W3011912621](https://www.wikidata.org/wiki/openalex:W3011912621)  
**Source**: https://4ort.xyz/entity/classification-of-fiber-tip-pens-using-attenuated-total-reflectance-atr-fourier-transform-infrared-ftir-spectroscopy-in-