# Combination of ring type HPLC separation, ultrahigh-resolution mass spectrometry, and high field NMR for comprehensive characterization of crude oil compositions

> Research article (Fuel, 2015) · cited 33× · AI/ML

**Wikidata**: [openalex:W2002149107](https://www.wikidata.org/wiki/openalex:W2002149107)  
**Source**: https://4ort.xyz/entity/combination-of-ring-type-hplc-separation-ultrahigh-resolution-mass-spectrometry-and-high-field-nmr-for-comprehensive-cha