The quantitative assay of minerals for Fe²⁺ and Fe³⁺ using 1, 10-phenanthroline: II. A photochemical method.

The quantitative assay of minerals for Fe<SUP>2+</SUP> and Fe<SUP>3+</SUP> using 1, 10-phenanthroline: II. A photochemical method.

Soil Science Society of America Journal. Soil Science Society of America (1981)

Stucki JW.