A modified resin exchange method for measurement of available phosphate in soils derived from volcanic ash 

Measurement of metal-complexing ability of polyfunctional macromolecules: a discussion of the relationship between the metal-complexing properties of extracted soil organic matter and soil genesis and plant nutrition 

Determination of maximum complexing ability of water-soluble complexants 

Acidificación urinaria basal en escolares normales 

A new alkaloid of Strychnos. The ocurrence of 11-methoxy-diaboline in Strychnos romeu-belenii Krukoff and Barneby 

Charge transfer circular dichroism of complexes of copper(II) with aminoacids and heterocyclic ligands 

Optical activity of nickel(II) and copper(II) complexes with L-aminoacids in the UV spectral region 

Induced distant cotton effects in an aromatic chromophore in mixed aminoacides of copper(II) 

Estudio comparativo de métodos de hidrólisis enzimática, para liberar tripofano en proteínas de alimentos. 

Métodos de valoración de vitaminas