# Simultaneous quantitative analysis of Ni, VO, Cu, Zn and Mn geoporphyrins by liquid chromatography-high resolution multistage mass spectrometry: Method development and validation

> Research article (Chemical Geology, 2016) · cited 40× · AI/ML

**Wikidata**: [openalex:W2515242845](https://www.wikidata.org/wiki/openalex:W2515242845)  
**Source**: https://4ort.xyz/entity/simultaneous-quantitative-analysis-of-ni-vo-cu-zn-and-mn-geoporphyrins-by-liquid-chromatography-high-resolution-multista
